Drinking water quality · 2021
· Verified
What's in Lancaster Park Mobile Home Park — Lancaster, Ca, CA tap water
7 contaminants were measured in the Lancaster Park Mobile Home Park — Lancaster, Ca, CA water system's 2021 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2021
- Contaminants measured
- 7
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Arsenic
- 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-based40 violations on record · most recent Jul 2025resolved
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. | 23 ug/LReported levelSystem-wide | None set | At or above the limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | Not detected ug/LReported levelSystem-wide | None set | None detected |
| CopperA metal that enters water from corroding household plumbing. | Not detected mg/L90th percentileAt the tap | 1.3 mg/LAction level | 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 | Within the limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 23 mg/LReported levelSystem-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. | Not detected mg/LRangeSystem-wide | 10 mg/LMCL | None detected |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AlkalinityA measure of the water's capacity to neutralize acids. | 180 mg/LReported levelSystem-wide | None set | Detected — no federal limit |
People also ask about Lancaster Park Mobile Home Park — Lancaster, Ca, CA's water
+Is Lancaster Park Mobile Home Park — Lancaster, Ca, CA tap water safe to drink in 2021?
The 2021 Consumer Confidence Report for the Lancaster Park Mobile Home Park — Lancaster, 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 Lancaster Park Mobile Home Park — Lancaster, Ca, CA tap water?
7 contaminants were measured in Lancaster Park Mobile Home Park — Lancaster, Ca, CA's 2021 Consumer Confidence Report, spanning metals, inorganic chemicals, and physical & aggregate. 2 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 Lancaster Park Mobile Home Park — Lancaster, Ca, CA tap water?
One contaminant in Lancaster Park Mobile Home Park — Lancaster, Ca, CA's 2021 report sits at or above the federal limit: Arsenic (2.3× 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 Lancaster Park Mobile Home Park — Lancaster, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2021 report is Arsenic, at 2.3× the federal threshold. It belongs to the metals family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Lancaster Park Mobile Home Park — Lancaster, Ca, CA's 2021 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 Lancaster Park Mobile Home Park — Lancaster, 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 2021 report; a new report will replace it once the utility publishes its next annual update.