Drinking water quality · 2023
· Verified
What's in Lakewood - City, Water Dept., CA tap water
9 contaminants were measured in the Lakewood - City, Water Dept., CA water system's 2023 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 9
- Over federal limit
- 2
- Approaching the limit
- 1
- 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-based1 violation on record · most recent Feb 2002resolved
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. | 17 ng/LReported levelWell 17 | 6.5 ng/LNL | At or above the limit |
+By source (3)— Well 17, Well 18, Well 2a
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 5.9 ng/LReported levelWell 18 | 5.1 ng/LNL | At or above the limit |
+By source (3)— Well 18, Well 17, Well 2a
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0.16–8.19 ug/LRangeSystem-wide | None set | Approaching the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.24 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | 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. | 7.8–24.5 ug/LRangeSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 1.4–5 ug/LRangeSystem-wide | None set | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.5–0.9 mg/LRangeSystem-wide | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.33–0.35 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
People also ask about Lakewood - City, Water Dept., CA's water
+Is Lakewood - City, Water Dept., CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Lakewood - City, Water Dept., 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 Lakewood - City, Water Dept., CA tap water?
9 contaminants were measured in Lakewood - City, Water Dept., CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, and pfas ("forever chemicals"). 5 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 Lakewood - City, Water Dept., CA tap water?
2 contaminants in Lakewood - City, Water Dept., CA's 2023 report sit at or above the federal limit: PFOS (4.3× the limit); PFOA (1.5× 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 Lakewood - City, Water Dept., CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is PFOS, at 4.3× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Are any contaminants in Lakewood - City, Water Dept., CA tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Arsenic. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Lakewood - City, Water Dept., CA's 2023 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 Lakewood - 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 2023 report; a new report will replace it once the utility publishes its next annual update.