Drinking water quality · 2021
· Verified
What's in Calipatria State Prison — Imperial, Ca, CA tap water
10 contaminants were measured in the Calipatria State Prison — Imperial, Ca, CA water system's 2021 annual report. Each is shown below against its federal limit.
- Reporting year
- 2021
- Contaminants measured
- 10
- Over federal limit
- 0
- Approaching the limit
- 0
- 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-based3 violations on record · most recent Jul 2009resolved
- Treatment technique violationHealth-based1 violation on record · most recent Feb 2012resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0–2.5 mg/LRangeSystem-wide | 4 mg/LMCL | Within the 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. | 17–49 ug/LRangeSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2 ug/LReported levelSystem-wide | None set | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.31 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| 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. | 73–88 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 99–120 mg/LRangeSystem-wide | None set | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Highest single sampleNo. of Detections | 0MCLG | None detected |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AlkalinityA measure of the water's capacity to neutralize acids. | 140–170 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.2Reported levelSystem-wide | None set | Detected — no federal limit |
People also ask about Calipatria State Prison — Imperial, Ca, CA's water
+Is Calipatria State Prison — Imperial, Ca, CA tap water safe to drink in 2021?
Every one of the 10 contaminants measured in Calipatria State Prison — Imperial, Ca, CA's 2021 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 Calipatria State Prison — Imperial, Ca, CA tap water?
10 contaminants were measured in Calipatria State Prison — Imperial, Ca, CA's 2021 Consumer Confidence Report, spanning metals, disinfection byproducts, and physical & aggregate. 3 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Calipatria State Prison — Imperial, 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 Calipatria State Prison — Imperial, 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.