Table of Contents
Can You Drink Tap Water in Turlock?
Yes, Turlock's tap water is generally considered safe to drink as Turlock has no active health based violations of the Safe Drinking Water Act (SDWA) that we are aware of. Other factors such as lead piping in a home, or low levels of pollutants on immunocompromised individuals, should also be considered, however. To find more recent info we might have, you can check out our boil water notice page or the city's water provider website.
According the EPA’s ECHO database, from April 30, 2019 to June 30, 2022, Turlock's water utility, City of Turlock, had 0 violations of the Safe Drinking Water Act. For more details on the violations, please see our violation history section below. The last violation for Turlock was resolved on March 31, 2017. This assessment is based on the City of Turlock water system, other water systems in the city may have different results.
While tap water that meets the EPA health guidelines generally won’t make you sick to your stomach, it can still contain regulated and unregulated contaminants present in trace amounts that could potentially cause health issues over the long-run. These trace contaminants may also impact immunocompromised and vulnerable individuals.
The EPA is reviewing if it’s current regulations around pollutant levels in tap water are strict enough, and the health dangers posed by unregulated pollutants, like PFAS.
Water Quality Report for Turlock Tap Water
The most recent publicly available numbers for measured contaminant levels in Turlock tap water are in its 2020 Water Quality Report. As you can see, there are levels which the EPA considers to be acceptable, but being below the maximum allowable level doesn’t necessarily mean the water is healthy.
Lead in tap water, for example, is currently allowed at up to 15ppb by the EPA, but it has set the ideal goal for lead at zero. This highlights how meeting EPA standards doesn’t necessarily mean local tap water is healthy.
EPA regulations continue to change as it evaluates the long term impacts of chemicals and updates drinking water acceptable levels. The rules around arsenic, as well as, lead and copper are currently being re-evaluated.
There are also a number of "emerging" contaminants that are not currently. For example, PFAS (Per- and polyfluoroalkyl substances), for which the EPA has issued a health advisory. PFAS are called "forever chemicals" since they tend not to break down in the environment or the human body and can accumulate over time.
We recommend looking at the contaminants present in Turlock's water quality reports, or getting your home's tap water tested to see if you should be filtering your water.
Turlock Tap Water Safe Drinking Water Act Violation History - Prior 10 Years
Below is a ten year history of violations for the water system named City of Turlock for Turlock in California. For more details please see the "What do these Violations Mean?" section below.
From Jan. 1, 2017 to March 31, 2017, Turlock had 1 health-based Safe Drinking Water Act violation with the violation category being Maximum Contaminant Level Violation, more specifically, the violation code was Maximum Contaminant Level Violation, Single Sample which falls into the Chemicals rule code group, and the Inorganic Chemicals rule code family for the following contaminant code: Nitrate.
Is there Lead in Turlock Water?
Based on the EPA’s ECHO Database, 90% of the samples taken from the Turlock water system, City of Turlock, between sample start date and sample end date, were at or below, 0.0 mg/L of lead in Turlock water. This is 0% of the 0.015 mg/L action level. This means 10% of the samples taken from Turlock contained more lead.
While Turlock water testing may have found 0.0 mg/L of lead in its water, that does not mean your water source has the same amount. The amount of lead in water in a city can vary greatly from neighborhood to neighborhood, or even building to building. Many buildings, particularly older ones, have lead pipes or service lines which can be a source of contamination. To find out if your home has lead, we recommend getting you water tested.
No amount of lead in water is healthy, only less dangerous. As lead accumulates in our bodies over time, even exposure to relatively small amounts can have negative health effects. For more information, please check out our Lead FAQ page.
Are there PFAS in Turlock Tap Water?
Currently, testing tap water for PFAS isn’t mandated on a national level. We do have a list of military bases where there have been suspected or confirmed leaks. There appears to be at least one military base - Crows NALF - near Turlock with suspected leaks.
With many potential sources of PFAS in tap water across the US, the best information we currently have about which cities have PFAS in their water is this ewg map, which you can check to see if Turlock has been evaluated for yet.
Our stance is better safe than sorry, and that it makes sense to try to purify the tap water just in case.
Turlock SDWA Violation History Table - Prior 10 Years
| Compliance Period | Status | Health-Based? | Category Code | Code | Rule Code | Contaminant Code | Rule Group Code | Rule Family Code |
|---|---|---|---|---|---|---|---|---|
| 01/01/2017 - 03/31/2017 | Resolved | Yes | Maximum Contaminant Level Violation (MCL) | Maximum Contaminant Level Violation, Single Sample (01) | Nitrates (331) | Nitrate (1040) | Chemicals (300) | Inorganic Chemicals (330) |
What do these Violations Mean?
Safe Drinking Water Act Violations categories split into two groups, health based, and non-health based. Generally, health based violations are more serious, though non-health based violations can also be cause for concern.
Health Based Violations
- Maximum contaminant levels (MCLs) - maximum allowed contaminant level was exceeded.
- Maximum residual disinfectant levels (MRDLs) - maximum allowed disinfectant level was exceeded.
- Other violations (Other) - the exact required process to reduce the amounts of contaminants in drinking water was not followed.
Non-Health Based Violations
- Monitoring and reporting violations (MR, MON) - failure to conduct the required regular monitoring of drinking water quality, and/or to submit monitoring results on time.
- Public notice violations (Other) - failure to immediately alert consumers if there is a serious problem with their drinking water that may pose a risk to public health.
- Other violations (Other) - miscellaneous violations, such as failure to issue annual consumer confidence reports or maintain required records.
SDWA Table Key
| Field | Description |
|---|---|
| Compliance Period | Dates of the compliance period. |
| Status |
Current status of the violation.
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| Health-Based? | Whether the violation is health based. |
| Category Code |
The category of violation that is reported.
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| Code | A full description of violation codes can be accessed in the SDWA_REF_CODE_VALUES (CSV) table. |
| Contaminant Code | A code value that represents a contaminant for which a public water system has incurred a violation of a primary drinking water regulation. |
| Rule Code |
Code for a National Drinking Water rule.
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| Rule Group Code |
Code that uniquely identifies a rule group.
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| Rule Family Code |
Code for rule family.
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For more clarification please visit the EPA's data dictionary.
Turlock Water - Frequently Asked Questions
| By Phone: | 209-345-2169 |
| By Email: | cguerrero@turlock.ca.us |
| By Mail: | 156 S Broadway, Suite 270 TURLOCK, CA, 95380 |
Existing customers can login to their City of Turlock account to pay their Turlock water bill by clicking here.
If you want to pay your City of Turlock bill online and haven't made an account yet, you can create an account online. Please click here to create your account to pay your Turlock water bill.
If you don't want to make an account, or can't remember your account, you can make a one-time payment towards your Turlock water bill without creating an account using a one time payment portal with your account number and credit or debit card. Click here to make a one time payment.
Moving to a new house or apartment in Turlock means you will often need to put the water in your name with City of Turlock. In order to put the water in your name, please click the link to the start service form below. Start service requests for water bills typically take two business days.
Leaving your house or apartment in Turlock means you will likely need to take your name off of the water bill with City of Turlock. In order to take your name off the water bill, please click the link to the stop service form below. Stop service for water bills requests typically take two business days.
USER SUBMITTED RATINGS
- Drinking Water Pollution and Inaccessibility
- Water Pollution
- Drinking Water Quality and Accessibility
- Water Quality
The above data is comprised of subjective, user submitted opinions about the water quality and pollution in Turlock, measured on a scale from 0% (lowest) to 100% (highest).
Related FAQS
Turlock Water Quality Report (Consumer Confidence Report)
The EPA mandates that towns and cities consistently monitor and test their tap water. They must report their findings in an annual Consumer Confidence Report. Below is the most recent water quality report from Turlock's Water. If you would like to see the original version of the report, please click here.
C I T Y O F T U R L O C K |
J u l y 1 , 2 0 2 1 |
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Este informe contiene2020información muyWaterimportante sobre Qualitysu agua para beber. Favor deReportcomunicarse City of Turlock a
This report provides important information about Turlock’s water supply, water quality and water conservation. Test results from Turlock’s 2020 Water Quality Monitoring Program are summarized on pages 4 - 6. It is important you read the messages regarding various water quality issues from the U.S. Environmental Protection Agency (USEPA) and from the City of Turlock’s Municipal Services Department.
This report is prepared in accordance with USEPA and State of California regulations under the Safe Drinking Water Act (SDWA) which require water utilities to provide detailed water quality information to their customers annually.
Connect With Us: City Council Meetings: |
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156 S. Broadway |
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156 S. Broadway, Ste. 270 |
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Turlock, CA 95380 |
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municipalservices@turlock.ca.us |
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March 1 - OctoberWatering31 SchedulesNovember 1 - February 28
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Microbial contaminants, such as viruses and bacteria, that may come from sewage treatment plants, septic systems, agricultural livestock operations, and wildlife. Inorganic contaminants, such as salts and metals, that can be
Pesticides and herbicides, that may come from a variety of sources such as agriculture, urban stormwater runoff, and residential uses.
Organic chemical contaminants, including synthetic and volatile organic chemicals, that are
Radioactive contaminants, that can be naturally- occurring or be the result of oil and gas production and mining activities.
In order to ensure that tap water is safe to drink, the U.S. Environmental Protection Agency (USEPA) and the State Water Resources Control Board (State Board) prescribe regulations that limit the amount of certain contaminants in water provided by public water systems. State Board regulations also establish limits for contaminants in bottled water that provide the same protection for public health.
Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants. The presence of contaminants does not necessarily indicate that water poses a health risk. More information about contaminants and potential health effects can be obtained by calling the USEPA’s Safe Drinking Water Hotline
ARSENIC IN DRINKING WATER
While your drinking water meets the federal and state standard for arsenic, it does contain low levels of arsenic. The arsenic standard balances the current understanding of arsenic’s possible health effects against the costs of removing arsenic from drinking water. The U.S. Environmental Protection Agency continues to research the health effects of low levels of arsenic, which is a mineral known to cause cancer in humans at high concentrations and is linked to other health effects such as skin damage and circulatory problems.
Some people may be more vulnerable to contaminants in drinking water than the general population. Immuno- compromised persons such as persons with cancer undergoing chemotherapy, persons who have undergone organ transplants, people with HIV/AIDS or other immune system disorders, some elderly, and infants can be particularly at risk from infections. These people should seek advice about drinking water from their health care providers. USEPA/Centers for Disease Control (CDC) guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbial contaminants are available from the Safe Drinking Water Hotline
An assessment of the City of Turlock's 19 active groundwater wells was completed in October 2020. The source is considered most vulnerable to the following activities: gas stations, dry cleaners, leaking underground storage tanks, sewer collection systems, fertilizer, pesticides/herbicide application, agriculture drainage, farm chemical distributor/application service, low density septic system, agricultural wells and irrigation wells. You may request a summary of the assessment be sent to you by contacting the Municipal Services Department at
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ThesDefinitionsterms are used throughout this report and in the following tables.
Maximum Contaminant Level (MCL): The highest level of a contaminant that is allowed in drinking water. Primary MCLs are set as close to the PHGs (or MCLGs) as is economically and technologically feasible. Secondary MCLs are set to protect the odor, taste, and appearance of drinking water.
Maximum Contaminant Level Goal (MCLG): The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs are set by the U.S. Environmental Protection Agency.
Maximum Residual Disinfectant Level (MRDL): The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Maximum Residual Disinfectant Level Goal (MRDLG): The level of a drinking water disinfectant below which there is no known or expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.
Public Health Goal (PHG): The level of a contaminant in drinking water below which there is no known or expected risk to health. PHGs are set by the California Environmental Protection Agency.
Primary Drinking Water Standard (PDWS): MCLs, MRDLs and treatment techniques (TTs)for contaminants that affect health along with their monitoring and reporting requirements.
Regulatory Action Level (AL): The concentration of a contaminant which, if exceeded, triggers treatment or other requirements that a water system must follow.
Treatment Technique (TT): A required process intended to reduce the level of a contaminant in drinking water.
Variances and Exemptions: State Board permission to exceed an MCL or not comply with a treatment technique under certain conditions.
90th Percentile: The results of all samples taken during a monitoring period which are placed in ascending order from the sample with the lowest concentration to the sample with the highest concentration.
Each sample result is assigned a number starting with the number 1 for the lowest value. The number of samples taken during the monitoring period is then multiplied by 0.9. The contaminant concentration in the numbered sample yielded by this calculation is the 90th percentile.
Total Hardness Conversion: ppm ÷ 17.1 = grains per gallon. 60 to 180 ppm = soft to very hard water.
ND:
MFL: million fibers per liter
mrem/year: millirems per year (a measure of radiation absorbed by the body)
N/A: not applicable
NTU: Nephelometric Turbidity Units
pCi/L: picocuries per liter (a measure of radioactivity) ppb: parts per billion, or micrograms per liter (µg/L) ppm: parts per million, or milligrams per liter (mg/L) ppq: parts per quadrillion, or pictograms per liter (pg/L) ppt: parts per trillion, or nanograms per liter (ng/L) µs/cm: micro siemens per cm (measure electrical conductivity of water)
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D E T E C T E D C H E M I C A L S O R C O N S T I T U E N T S I N 2 0 2 0
The following tables list all the drinking water contaminants the City detected during the 2020 calendar year. The presence of these contaminants in the water does not indicate the water poses a health risk. Unless otherwise noted, the data presented in these tables are from testing done between January 1 and December 31, 2020. The USEPA and State of California requires the City to monitor for certain contaminants less than once per year because the concentrations of these contaminants are not expected to vary significantly from year to year. Some of the data, though representative of the water quality, may be more than one year old.
SUBSTANCE PHG (MCLG)
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MCL |
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Inorganic Contaminants
Regulated contaminants with primary MCLs or MCLG
SUBSTANCE |
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RANGE |
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Aresenic |
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0.004 |
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7.83 |
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Barium |
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2 |
1 |
0.041 |
ND - 0.124 |
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Chromium |
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50 |
ND |
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Floride |
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1 |
2 |
0.037 |
ND - 0.11 |
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Nitrate (as N) |
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TYPICAL SOURCE(S) IN DRINKING WATER
Erosion of natural deposits; runoff from orchards; glass and electronics production wastes
Discharges of oil drilling wastes and from metal refineries; erosion of natural deposits
Discharge from steel and pulp mills and chrome plating; erosion of natural deposits
Erosion of natural deposits; water additive that promotes strong teeth; discharge from fertilizer and aluminum factories
Runoff and leaching from fertilizer use; leaching from septic tanks and sewage; erosion of natural deposits
VIOLATION
No
No
No
No
No
VOLATILE ORGANIC Contaminants
SUBSTANCE |
PHG |
MCL |
AVERAGE |
RANGE |
TYPICAL SOURCE(S) |
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Tetrachloroethylene |
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Discharge from factories, dry |
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0.06 |
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1.86 |
ND - 3.51 |
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degreaser) |
VIOLATION
No
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Secondary Drinking Water Contaminants
Aesthetic standards established by the State Water Resources Control Board’s Division of Drinking Water
SUBSTANCE
Aluminum
(µg/L)
Chloride
(mg/L)
Color (units)
Odor (units)
pH
Specific Conductance
(µS/cm)
Sulfate (mg/L)
Total Dissolved Solids
(mg/L)
PHG
(MCLG)
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
AVERAGE RANGE
MCL LEVEL DETECTED DETECTED
200 |
ND |
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500 |
33.97 |
13.8 - 73 |
15 |
1.67 |
ND - 5 |
3 |
ND |
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6.4 - 7.7 |
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1,600 |
459.7 |
308 - 752 |
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500 |
9.9 |
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1,000 |
252 |
212 - 305 |
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TYPICAL SOURCE(S) IN DRINKING WATER
Erosion of natural deposits; residual from some surface water treatment processes
Runoff/leaching from natural deposits; seawater influence
Physical measure of water acidity
Substances that form ions when in water; seawater influence
Runoff/leaching from natural deposits; industrial wastes
Runoff/leaching from natural deposits
VIOLATION
No
No
No
No
No
No
No
No
Radioactive Contaminants
SUBSTANCE |
PHG |
MCL |
AVERAGE |
RANGE |
TYPICAL SOURCE(S) |
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Gross Alpha |
0 |
15 |
ND |
ND |
Erosion of natural deposits |
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Uranium (pCi/L) |
0.43 |
20 |
3.45 |
ND - 8.21 |
Erosion of natural deposits |
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0.05 |
5 |
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SYNTHETIC ORGANIC Contaminants
SUBSTANCE |
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AVERAGE |
RANGE |
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propane |
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1.7 |
200 |
4 |
ND - 20 |
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1,2,3- |
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Trichloropropane |
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0.0007 |
0.005* |
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TYPICAL SOURCE(S) IN DRINKING WATER
Banned nematocide that may still be present in soils due to runoff/leaching from former use on soybeans, cotton, vineyards, tomatoes, and tree fruit
Discharge from industrial and agricultural chemical factories; leaching from hazardous waste sites; used as cleaning and maintenance solvent, paint and varnish remover, and cleaning and degreasing agent; byproduct during the production of other compounds and pesticides.
VIOLATION
No
Yes
*Some people who drink water containing |
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microbiological Contaminants
SUBSTANCE |
Highest No. |
No. of |
MCL |
MCLG |
TYPICAL SOURCE |
VIOLATION |
of |
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ND |
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* >5% of monthly samples positive is a violation of the MCL.
SUBSTANCE |
PHG |
MCL |
Average |
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TYPICAL SOURCES IN |
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VIOLATION |
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N/A |
TT |
11.7 |
1 - 111 |
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Turbidity |
N/A |
TT |
0.33 |
Soil runoff |
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Unregulated contaminants
No proposed health standards for these contaminants.
SUBSTANCE |
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RANGE |
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Bicarbonate Alkalinity |
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121.3 |
119 - 124 |
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Calcium as Ca (ppm) |
28.67 |
22 - 40 |
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Magnesium (ppm) |
6.56 |
5.7 - 8.2 |
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Potassium as K (ppm) |
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(2018) |
3.7 |
1.7 - 4.8 |
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Sodium as Na (ppm) |
29.83 |
24.1 - 37.9 |
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Total Alkalinity as |
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CaCO3 (ppm) |
99.57 |
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Total Hardness as |
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CaCO3 (ppm) |
98 |
Unregulated contaminant monitoring helps the USEPA and the State Water Resources Control Board to determine where certain contaminants occur and whether the contaminants need to be regulated.
Typical Source of
Contaminant:
Sodium (ppm): Salt present in the water and is generally naturally occuring
Hardness (ppm): Sum of polyvalent cations present in the water, generally magnesium and calcium, and are usually naturally occurring
High-Efficiency Toilet and Clothes Washer Rebates
The City of Turlock Municipal Services Department offers a rebate for the purchase of a new, approved
In 2018, the drinkingLeadwat r in 30 homesandwithin TurlockCopperwas If r sent, elevatedSamplinglevels of lead can cause serious health |
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tested for lead and copper concentrations. None of the homes |
problems, especially for pregnant women and young children. |
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showed a detectable concentration of lead in the tap water. |
Lead in drinking water is primarily from materials and |
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Eight of the homes had detectable amounts of copper present, |
components associated with service lines and home |
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all at levels well below the Regulatory Action Level (AL). The |
plumbing. City of Turlock is responsible for providing high |
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results were as follows: |
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quality drinking water, but cannot control the variety of |
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materials used in plumbing components. When your water |
Compound Limit |
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has been sitting for several hours, you can minimize the |
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(90th percentile) |
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potential for lead exposure by flushing your tap for 30 |
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seconds to 2 minutes before using water for drinking or |
Lead |
MCL |
Copper |
MCL |
cooking. If you do so, you may wish to collect the flushed |
ND |
15 ppb |
0.0624 ppm |
1.3 ppm |
water and reuse it for another beneficial purpose, such as |
The City of Turlock is testing for lead and copper during the |
watering plants. |
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summer months of 2021. Results will be reported to the State |
If you are concerned about lead in your water, you may wish |
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Water Resources Control Board by October 1, 2021. |
to have your water tested. Information on lead in drinking |
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water, testing methods, and steps you can take to minimize |
exposure is available from the Safe Drinking Water Hotline
2018 Results: |
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Typical source(s) in |
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Substance |
PHG |
AL |
Level Detected |
Sites Above AL / |
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(MCLG) |
90th Percentile |
Total Sites |
drinking water |
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Violation
Lead
(ppb) |
0.2 |
15 |
ND |
0/30 |
Copper |
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(ppm) |
0.3 |
1.3 |
0.0624 |
0/30 |
Internal corrosion of household water plumbing systems; discharges from industrial manufacturers; erosion of natural deposits
Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
No
No
Stormwater AwarenessNot all water is treated equally. The majority of Turlock's collection systems are separated into two different collection systems. The sanitary sewer system collects wastewater from sinks, toilets, showers and washing machines that is transported through pipes and flows to the treatment plant. Whereas storm drains carry water that remains untreated, directly into bodies of water like lakes and rivers. While both systems have extensive infrastructure, the stormwater system that includes everything from ditches, curbs and gutters are not part of a treatment process at any point. This is why it is vital that we all do our part to protect our water and our environment by remembering
“only rain down the storm drain.”
7
Farsi, Persian
ﺖﺳﺎﻤﺷ ﯽﻧﺪﯿﻣﺎﺷآ بآ درﻮﻣ رد ﯽﻤﻬﻣ تﺎﻋﻼﻃا یوﺎﺣ شراﺰﮔ ﻦﯾا.
ﯽﻧﺪﯿﻣﺎﺷآ بآ نﺎﻣزﺎﺳ ﻪﺑ تﺎﻋﻼﻃا ﺐﺴﮐ یاﺮﺑ ﺎﻔﺘﻟ City of Turlock 156] سردآ رد ﻪﮐ S Broadway Turlock 95380] ﺖﺳا [209.668.5590] ﻦﻔﻠﺗ هرﺎﻤﺷ .ﺪﯾﺮﯿﮕﺑ سﺎﻤﺗ.
Portuguese
Este relatório contém informação importante sobre sua água potável. Por favor entre em contato com City of Turlock a
Punjabi
ਸ ਿਰਪੋਟਿਵਚ ਤੁਵਾੜੇਪੀਣੇਦੇਵਾਰੇਮਹੱਤਵਪੂਰਨਸੂਚਨਾਹੈl ਪੰਜਾਬੀਿਵਚ ਮਦਦ ਲਈ, City of Turlock 156 S Broadway Turlock CA 95380
Spanish
Este informe contiene información muy importante sobre su agua para beber. Favor de comunicarse City odf Turlock a
8
Contaminants
City of Turlock
EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the California State Water Resources Control Board, as well as information from the U.S. EPA Enforcement and Compliance History database (ECHO). For the latest quarter assessed by the U.S. EPA (January 2019 - March 2019), tap water provided by this water utility was in compliance with federal health-based drinking water standards.
Utility details
- Serves: 64215
- Data available: 2012-2017
- Data Source: Groundwater
- Total: 13
Contaminants That Exceed Guidelines
- 1%2C2-Dibromo-3-chloropropane (DBCP)
- Arsenic
- Chromium (hexavalent)
- Nitrate
- Nitrate and nitrite
- Tetrachloroethylene (perchloroethylene)
- Uranium
Other Detected Contaminants
- Aluminum
- Barium
- Fluoride
- Molybdenum
- Strontium
- Vanadium
Reminder
Always take extra precautions, the water may be safe to drink when it leaves the sewage treatment plant but it may pick up pollutants during its way to your tap. We advise that you ask locals or hotel staff about the water quality. Also, note that different cities have different water mineral contents.