Drinking water quality · 2023
· Verified
· PWSID CA1910239
What's in Lakewood - City, Water Dept. — Lakewood, Ca, CA tap water
Only 8 of 27 core regulated contaminants were reported for Lakewood - City, Water Dept. — Lakewood, Ca, CA. What was measured is not clean — but most of the picture is missing.
- !2 contaminants at or above a federal limit — worst is PFOS at 4.3x
- !1 contaminant within 20% of a limit
- !8 of 27 core regulated contaminants reported — 19 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.
- −55 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
- −17 core regulated contaminants never reported (8/27)
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
- PFOS4.3× the federal limit17 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 80% of CA systems that report it · higher than 85% of U.S. systems
- PFOA1.5× the federal limit5.9 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 70% of CA systems that report it · higher than 75% of U.S. systems
- Arsenic82% of the federal limit0.16–8.19 ug/L · limit 10 ug/L
A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.
Higher than 90% of CA systems that report it · higher than 90% of U.S. systems
+6 contaminants were measured and came in below the limitShow all
| Contaminant | Measured | Federal limit |
|---|---|---|
| TTHM | 7.8–24.5 ug/L | 80 ug/L |
| Chlorine | 0.5–0.9 mg/L | 4 mg/L |
| Copper | 0.24 mg/L | 1.3 mg/L |
| Fluoride | 0.33–0.35 mg/L | 4 mg/L |
| HAA5 | 1.4–5 ug/L | 60 ug/L |
| Lead | 0.0 mg/L | 0.015 mg/L |
What this report doesn't tell you
19 of the 27 contaminants a community water system normally reports do not appear anywhere in Lakewood - City, Water Dept. — Lakewood, 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-based1 violation on record · most recent Jan 2002resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗