Drinking water quality · 2022
· Verified
What's in Cerritos - City, Water Dept., CA tap water
14 contaminants were measured in the Cerritos - City, Water Dept., CA water system's 2022 annual report. Each is shown below against its federal limit.
- Reporting year
- 2022
- Contaminants measured
- 14
- 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. | 6.3 ug/LAverageGroundwater | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.36 mg/L90th percentileDISTRIBUTION SYSTEM 90th PERCENTILE LEVEL | 1.3 mg/LAction level | 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. | 0.0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | 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 | 1 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. | 19 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 |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | 0.67 ug/LAverageGroundwater | 5 ug/LMCL | Within the limit |
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | Not detected ug/LAverageGroundwater | 5 ug/LMCL | 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 |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0MaximumDistribution System Highest Number Of Detections | 0MCLG | None detected |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1 pCi/LAverageGroundwater | 20 pCi/LMCL | Detected — no federal limit |
People also ask about Cerritos - City, Water Dept., CA's water
+Is Cerritos - City, Water Dept., CA tap water safe to drink in 2022?
Every one of the 14 contaminants measured in Cerritos - City, Water Dept., CA's 2022 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., CA tap water?
14 contaminants were measured in Cerritos - City, Water Dept., CA's 2022 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 10 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., CA's 2022 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., 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 2022 report; a new report will replace it once the utility publishes its next annual update.