Drinking water quality · 2023
· Verified
· PWSID CA1910042
What's in Pico Rivera - City, Water Dept. — Pico Rivera, Ca, CA tap water
2 contaminants in Pico Rivera - City, Water Dept. — Pico Rivera, Ca, CA's water sat at or above a federal limit, led by PFOS at 5.2x the limit.
- !2 contaminants at or above a federal limit — worst is PFOS at 5.2x
- !1 contaminant within 20% of a limit
- !13 of 27 core regulated contaminants reported — 14 never appear in this report
- ✓No open federal violations
+How this score is calculated
Every system starts at 100. Points come off for measured levels, for the federal violation record, and for how much of the core regulated set the utility actually reported. All three inputs are the utility's own published numbers and EPA's own records.
- −60 contaminants at or above a federal limit
- −4 contaminants within 20% of a limit
- −0 open health-based violations
- −0 open monitoring / reporting violations
- −0 health-based violations resolved in the last 5 years
- −9 core regulated contaminants never reported (13/27)
A 90–100 · B 80–89 · C 70–79 · D 60–69 · F below 60. A system reporting under a third of the core set is capped at C however clean its numbers look — a short report is not a clean bill of health.
Full grading methodology, constant for constant →What to worry about
- PFOS5.2× the federal limit20.6 ng/L · limit 4 ng/L
Linked to cancer, thyroid disease, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
Higher than 85% of CA systems that report it · higher than 85% of U.S. systems
- PFOA2.5× the federal limit10.1 ng/L · limit 4 ng/L
Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
Higher than 80% of CA systems that report it · higher than 85% of U.S. systems
- Copper92% of the federal limit1.2 mg/L · limit 1.3 mg/L
Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.
Higher than 95% of CA systems that report it · higher than 95% of U.S. systems
+24 contaminants were measured and came in below the limitShow all
| Contaminant | Measured | Federal limit |
|---|---|---|
| Nitrate | 2.6 mg/L | 10 mg/L |
| TTHM | 17 ug/L | 80 ug/L |
| Perfluorohexanesulfonic acid | 1.9 ng/L | 10 ng/L |
| Perfluorononanoic acid | 1.9 ng/L | 10 ng/L |
| Chlorine Free | 0.73 mg/L | 4 mg/L |
| Gross Alpha | 2.6 pCi/L | 15 pCi/L |
| Arsenic | 1.7 ug/L | 10 ug/L |
| Fluoride | 0.3 mg/L | 4 mg/L |
| HAA5 | 2.9 ug/L | 60 ug/L |
| Barium | 0.07 mg/L | 2 mg/L |
| Uranium | 0.82 ug/L | 30 ug/L |
| Combined Radium | 0.08 pCi/L | 5 pCi/L |
| Chromium, Total | 0.23 ug/L | 100 ug/L |
| Chromium, Hexavalent | 0.46 ug/L | — |
| Lithium | 3.28 ug/L | — |
| Nickel | 1.4 ug/L | — |
| Escherichia coli (E. coli) | 0 | 0 |
| Total Coliform | 0.2 % | — |
| Perfluorobutanesulfonic acid | 6.1 ng/L | — |
| Perfluorodecanoic acid (PFDA) | 2.5 ng/L | — |
| Perfluoroheptanoic acid | 2.9 ng/L | — |
| Perfluorohexanoic acid | 8.8 ng/L | — |
| Perfluoropentanoic acid | 9.7 ng/L | — |
| PFBA | 7 ng/L | — |
What this report doesn't tell you
14 of the 27 contaminants a community water system normally reports do not appear anywhere in Pico Rivera - City, Water Dept. — Pico Rivera, Ca, CA's data. Absent is not the same as absent-from-the-water — it means nobody published a number.
+Full detail: PFAS testing, water source, historical monitoring, and the federal violation record
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 Aug 1994resolved
- Monitoring1 violation on recordresolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗