Drinking water quality · 2023
· Verified
What's in Hilmar County Water District — Hilmar, Ca, CA tap water
11 contaminants were measured in the Hilmar County Water District — Hilmar, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 11
- Over federal limit
- 2
- Approaching the limit
- 1
- Worst contaminant
- Nitrate
- Service area
- CA
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1–34.3 mg/LRangeSystem-wide | 10 mg/LMCL | At or above the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.1–0.13 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 1.02–13.2 ug/LRangeSystem-wide | None set | At or above the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.172 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 60–135 ug/LRangeSystem-wide | None set | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | 1.7 ug/LRangeSystem-wide | None set | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0 ug/L90th percentileAt the tap | None set | Within the limit |
| NickelA metal from natural deposits and industrial discharge. | 9.2 ug/LReported levelSystem-wide | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.2–0.8 NTURangeSystem-wide | 1 NTUMCL | Approaching the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.48–0.73 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Reported levelTotal No. of Detections | None set | None detected |
+By source (2)— Total No. of Detections, No. of Detections
| |||
People also ask about Hilmar County Water District — Hilmar, Ca, CA's water
+Is Hilmar County Water District — Hilmar, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Hilmar County Water District — Hilmar, Ca, CA water utility lists 2 contaminants at or above the federal limit: Nitrate and Arsenic. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Hilmar County Water District — Hilmar, Ca, CA tap water?
11 contaminants were measured in Hilmar County Water District — Hilmar, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and disinfectants. 5 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Hilmar County Water District — Hilmar, Ca, CA tap water?
2 contaminants in Hilmar County Water District — Hilmar, Ca, CA's 2023 report sit at or above the federal limit: Nitrate (3.4× the limit); Arsenic (1.3× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Hilmar County Water District — Hilmar, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Nitrate, at 3.4× the federal threshold. It belongs to the inorganic chemicals family of contaminants.
+Are any contaminants in Hilmar County Water District — Hilmar, Ca, CA tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Turbidity. 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 Hilmar County Water District — Hilmar, 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 Hilmar County Water District — Hilmar, 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.