Drinking water quality · 2023
· Verified
What's in Quartz Hill Water Dist. — Quartz Hill, Ca, CA tap water
15 contaminants were measured in the Quartz Hill Water Dist. — Quartz Hill, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 15
- 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. | 0–12 ug/LRangeSystem-wide | None set | At or above the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.25 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. | Not detected ug/LReported levelSystem-wide | None set | None detected |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | None detected |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 1.9–13 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. | 29.2–79.7 ug/LRangeSystem-wide | None set | Approaching the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 9.5–27.3 ug/LRangeSystem-wide | None set | Within the limit |
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 1.2–1.5 ug/LRangeSystem-wide | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.79–8.4 mg/LRangeSystem-wide | 10 mg/LMCL | Approaching the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.42–0.67 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 6.4 pCi/LReported levelSystem-wide | 15 pCi/LMCL | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.52–2.04 pCi/LRangeSystem-wide | 5 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 6.6 pCi/LReported levelSystem-wide | 20 pCi/LMCL | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.3–1.5 mg/LRangeSystem-wide | None set | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.22 NTUReported levelSystem-wide | None set | 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 2023?
The 2023 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?
15 contaminants were measured in Quartz Hill Water Dist. — Quartz Hill, Ca, CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, and radionuclides. 6 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 2023 report sits at or above the federal limit: Arsenic (1.2× 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 2023 report is Arsenic, at 1.2× 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 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 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 2023 report; a new report will replace it once the utility publishes its next annual update.