Drinking water quality · 2020
· Verified
What's in Quartz Hill Water Dist. — Quartz Hill, Ca, CA tap water
13 contaminants were measured in the Quartz Hill Water Dist. — Quartz Hill, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2020
- Contaminants measured
- 13
- Over federal limit
- 1
- Approaching the limit
- 2
- Worst contaminant
- Arsenic
- Service area
- CA
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0–16.2 ug/LRangeSystem-wide | None set | At or above the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.36 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 0–11 ug/LRangeSystem-wide | None set | Within the limit |
| BoronA naturally occurring element from rock and soil. | 0–110 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 7.6–15 ug/LRangeSystem-wide | 0.02 ug/LPublic health goal | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 59–77 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| Vanadium | 14–17 ug/LRangeSystem-wide | None set | Detected — no federal limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 0–76.7 ug/LRangeSystem-wide | None set | Approaching the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 0–17.4 ug/LRangeSystem-wide | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.89–8.6 mg/LRangeSystem-wide | 10 mg/LMCL | Approaching the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.045–0.72 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.27–1.25 mg/LRangeSystem-wide | None set | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0–0.41 pCi/LRangeSystem-wide | 5 pCi/LMCL | Within the limit |
People also ask about Quartz Hill Water Dist. — Quartz Hill, Ca, CA's water
+Is Quartz Hill Water Dist. — Quartz Hill, Ca, CA tap water safe to drink in 2020?
The 2020 Consumer Confidence Report for the Quartz Hill Water Dist. — Quartz Hill, Ca, CA water utility lists 1 contaminant at or above the federal limit: 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 Quartz Hill Water Dist. — Quartz Hill, Ca, CA tap water?
13 contaminants were measured in Quartz Hill Water Dist. — Quartz Hill, Ca, CA's 2020 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 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 Quartz Hill Water Dist. — Quartz Hill, Ca, CA tap water?
One contaminant in Quartz Hill Water Dist. — Quartz Hill, Ca, CA's 2020 report sits at or above the federal limit: Arsenic (1.6× 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 Quartz Hill Water Dist. — Quartz Hill, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2020 report is Arsenic, at 1.6× the federal threshold. It belongs to the metals family of contaminants.
+Are any contaminants in Quartz Hill Water Dist. — Quartz Hill, Ca, CA tap water approaching the federal limit?
2 contaminants are between 80% and 100% of the federal limit in this report: TTHM and Nitrate. 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 Quartz Hill Water Dist. — Quartz Hill, Ca, CA's 2020 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 Quartz Hill Water Dist. — Quartz Hill, 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 2020 report; a new report will replace it once the utility publishes its next annual update.