Drinking water quality · 2022
· Verified
What's in Pico Wd — Pico Rivera, Ca, CA tap water
19 contaminants were measured in the Pico Wd — Pico Rivera, Ca, CA water system's 2022 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2022
- Contaminants measured
- 19
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- PFOS
- 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-based2 violations on record · most recent Oct 1993resolved
- Monitoring1 violation on recordresolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 19.75 ng/LAverageGroundwater | None set | At or above the limit |
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 10.494 ng/LAverageGroundwater | None set | At or above the limit |
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 3.538 ng/LAverageGroundwater | None set | Within the limit |
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | 5.65AverageGroundwater | 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. | 2.71 mg/LAverageGroundwater | 10 mg/LMCL | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Free | 0.9 mg/LAverageSystem-wide | 4 mg/LMCL | Within the limit |
| Carbon Tetrachloride | Not detected mg/LAverageGroundwater | None set | None detected |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 1.05 pCi/LAverageGroundwater | 5 pCi/LMCL | Within the limit |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 2.79 pCi/LAverageGroundwater | 15 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2.57 ug/LAverageGroundwater | 30 ug/LMCL | Within the limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | 0.72 ug/LAverageGroundwater | 5 ug/LMCL | Within the limit |
| Dichloromethane | Not detected mg/LAverageGroundwater | None set | None detected |
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | Not detected ug/LRangeGroundwater | 5 ug/LMCL | None detected |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 6.7 ug/LAverageSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 0.9 ug/LAverageSystem-wide | None set | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.64 ug/L90th percentileAt the tap | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.49 ug/L90th percentileAt the tap | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0 %AverageSystem-wide | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0 %AverageSystem-wide | None set | None detected |
People also ask about Pico Wd — Pico Rivera, Ca, CA's water
+Is Pico Wd — Pico Rivera, Ca, CA tap water safe to drink in 2022?
The 2022 Consumer Confidence Report for the Pico Wd — Pico Rivera, Ca, CA water utility lists 2 contaminants at or above the federal limit: PFOS and PFOA. 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 Pico Wd — Pico Rivera, Ca, CA tap water?
19 contaminants were measured in Pico Wd — Pico Rivera, Ca, CA's 2022 Consumer Confidence Report, spanning pfas ("forever chemicals"), radionuclides, and vocs & pesticides. 7 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 Pico Wd — Pico Rivera, Ca, CA tap water?
2 contaminants in Pico Wd — Pico Rivera, Ca, CA's 2022 report sit at or above the federal limit: PFOS (4.9× the limit); PFOA (2.6× 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 Pico Wd — Pico Rivera, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2022 report is PFOS, at 4.9× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Pico Wd — Pico Rivera, Ca, 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 Pico Wd — Pico Rivera, 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 2022 report; a new report will replace it once the utility publishes its next annual update.