Drinking water quality · 2020
· Verified
What's in Cerritos - City, Water Dept. — Cerritos, Ca, CA tap water
13 contaminants were measured in the Cerritos - City, Water Dept. — Cerritos, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit.
- Reporting year
- 2020
- Contaminants measured
- 13
- 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.
- Monitoring & reporting2 violations on record · most recent Dec 20252 open
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. | 7 ug/LAverageGroundwater | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.27 mg/L90th percentileDISTRIBUTION SYSTEM 90th PERCENTILE LEVEL | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.11 mg/LAverageGroundwater | 2 mg/LMCL | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileDISTRIBUTION SYSTEM 90th PERCENTILE LEVEL | None set | None detected |
| ManganeseA naturally occurring metal from soil and rock. | 34 ug/LAverageGroundwater | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.98 mg/LAverageDistribution System | 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. | 14 ug/LAverageDistribution System | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2.6 ug/LAverageDistribution System | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.28 mg/LAverageGroundwater | 4 mg/LMCL | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected mg/LAverageGroundwater | 10 mg/LMCL | Within the limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | Not detected ug/LAverageGroundwater | 5 ug/LMCL | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0.96 %MaximumDistribution System Highest Monthly % Positives | None set | Detected — no federal limit |
+By source (2)— Distribution System Highest Monthly % Positives, Distribution System Range % Positive
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | Not detected pCi/LAverageGroundwater | 20 pCi/LMCL | Detected — no federal limit |
People also ask about Cerritos - City, Water Dept. — Cerritos, Ca, CA's water
+Is Cerritos - City, Water Dept. — Cerritos, Ca, CA tap water safe to drink in 2020?
Every one of the 13 contaminants measured in Cerritos - City, Water Dept. — Cerritos, Ca, CA's 2020 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 Cerritos - City, Water Dept. — Cerritos, Ca, CA tap water?
13 contaminants were measured in Cerritos - City, Water Dept. — Cerritos, Ca, CA's 2020 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 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.
+Where does the data on this page come from?
Every value is transcribed from Cerritos - City, Water Dept. — Cerritos, 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 Cerritos - City, Water Dept. — Cerritos, 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.