Drinking water quality · 2023
· Verified
What's in Turlock, City of — Turlock, Ca, CA tap water
20 contaminants were measured in the Turlock, City of — Turlock, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 20
- Over federal limit
- 0
- Approaching the limit
- 1
- Service area
- CA
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Maximum contaminant level exceededHealth-based7 violations on record · most recent Jan 2017resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 8.3 ug/LAverageGroundwater | 0.004 ug/LPublic health goal | Approaching the limit |
+By source (2)— Groundwater, Srwa1
| |||
| CopperA metal that enters water from corroding household plumbing. | Not detectedReported levelNd | None set | None detected |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | None detected |
| CalciumA naturally occurring mineral that contributes to water hardness. | 48 mg/LAverageSrwa | None set | Detected — no federal limit |
+By source (2)— Srwa, Groundwater
| |||
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 6 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Srwa
| |||
| SodiumA naturally occurring salt component. | 29 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Srwa
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 6 mg/LAverageGroundwater | 10 mg/LPublic health goal | Within the limit |
+By source (2)— Groundwater, Srwa1
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.1 mg/LAverageGroundwater | 1 mg/LPublic health goal | Within the limit |
+By source (2)— Groundwater, Srwa1
| |||
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | 3 ug/LAverageGroundwater | 0.06 ug/LPublic health goal | Within the limit |
+By source (2)— Groundwater, Srwa
| |||
| 1,2,3-TCP | 0.003 ug/LAverageGroundwater | 0.0007 ug/LPublic health goal | Detected — no federal limit |
+By source (2)— Groundwater, Srwa
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.84 mg/LAverageDistribution System-Wide | 4 mg/LMRDLG | Within the limit |
| Chromium | 4.9 ug/LAverageGroundwater | 0.02 ug/LPublic health goal | Within the limit |
+By source (2)— Groundwater, Srwa1
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 2.02 pCi/LAverageGroundwater | 0 pCi/LPublic health goal | Within the limit |
+By source (2)— Groundwater, Srwa
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 4.02 pCi/LAverageGroundwater | 0.43 pCi/LPublic health goal | Detected — no federal limit |
+By source (2)— Groundwater, Srwa
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 7.9 ug/LAverageDistribution System-Wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 3.5 ug/LAverageDistribution System-Wide | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0AverageDistribution System-Wide | 0Public health goal | None detected |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AlkalinityA measure of the water's capacity to neutralize acids. | 111 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Srwa
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 87 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Srwa
| |||
| pHA measure of how acidic or basic the water is. | 8.7AverageSrwa | None set | Detected — no federal limit |
+By source (2)— Srwa, Groundwater
| |||
People also ask about Turlock, City of — Turlock, Ca, CA's water
+Is Turlock, City of — Turlock, Ca, CA tap water safe to drink in 2023?
Every one of the 20 contaminants measured in Turlock, City of — Turlock, Ca, CA's 2023 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Turlock, City of — Turlock, Ca, CA tap water?
20 contaminants were measured in Turlock, City of — Turlock, Ca, CA's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, and disinfection byproducts. 11 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Are any contaminants in Turlock, City of — Turlock, Ca, CA tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Arsenic. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Turlock, City of — Turlock, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Turlock, City of — Turlock, Ca, CA's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.