Drinking water quality · 2023
· Verified
What's in Watsonville, City of — Watsonville, Ca, CA tap water
14 contaminants were measured in the Watsonville, City of — Watsonville, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 14
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
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.
No federal drinking-water violations on record for this system.
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.61–0.96 mg/LAverageTreated Surface Water | 4 mg/LMCL | Within the limit |
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 0.76 ng/LAverageCOW Average Level | 1 ng/LPublic health goal | Within the limit |
+By source (5)— COW Maximum Level, COW Average Level, Niveles de Promedio de la Ciudad +2 more
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 0.74 ng/LAverageCOW Average Level | 0.007 ng/LPublic health goal | Within the limit |
+By source (5)— COW Maximum Level, COW Average Level, Niveles de Promedio de la Ciudad +2 more
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1.1 mg/LAverageTreated Ground-water 2 | 10 mg/LMCL | Within the limit |
+By source (2)— Treated Ground-water 2, Treated Surface Water
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 175 ug/LAverageTreated Surface Water | 4000 ug/LMCL | Within the limit |
+By source (2)— Treated Ground-water 2, Treated Surface Water
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 1 ug/LAverageCOW Average Level | 0.004 ug/LPublic health goal | Within the limit |
+By source (7)— Treated Ground-water 2, COW Maximum Level, COW Average Level +4 more
| |||
| CopperA metal that enters water from corroding household plumbing. | 90 ug/LAverageTreated Surface Water | 1300 ug/LAction level | Within the limit |
+By source (4)— COW Maximum Level, COW Average Level, Niveles de Promedio de la Ciudad +1 more
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 1 ug/LAverageCOW Average Level | 0.2 ug/LPublic health goal | Within the limit |
+By source (3)— COW Maximum Level, COW Average Level, Niveles de Promedio de la Ciudad
| |||
| AluminumA common element sometimes used as a treatment coagulant. | 80 ug/LAverageTreated Surface Water | None set | Detected — no federal limit |
+By source (2)— Treated Surface Water, Treated Ground-water 2
| |||
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 8.9 ug/LAverageTreated Ground-water 2 | None set | Detected — no federal limit |
+By source (7)— Potential Treatment Cost, Potencial Costo de Tratamiento, Treated Ground-water 2 +4 more
| |||
| NickelA metal from natural deposits and industrial discharge. | 1.4 ug/LAverageTreated Ground-water 2 | None set | Detected — no federal limit |
+By source (7)— Treated Ground-water 2, COW Maximum Level, Potential Treatment Cost +4 more
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 6.3 ug/LAverageTreated Ground-water 2 | None set | Within the limit |
+By source (2)— Treated Ground-water 2, Treated Surface Water
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.029 NTUAverageTreated Surface Water | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0.05AverageCOW Average Level | 0Public health goal | Detected — no federal limit |
+By source (3)— COW Maximum Level, COW Average Level, Niveles de Promedio de la Ciudad
| |||
Source: Watsonville, City of — Watsonville, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.
People also ask about Watsonville, City of — Watsonville, Ca, CA's water
+Is Watsonville, City of — Watsonville, Ca, CA tap water safe to drink in 2023?
Every one of the 14 contaminants measured in Watsonville, City of — Watsonville, Ca, CA's 2023 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 Watsonville, City of — Watsonville, Ca, CA tap water?
14 contaminants were measured in Watsonville, City of — Watsonville, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and pfas ("forever chemicals"). 9 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 Watsonville, City of — Watsonville, Ca, 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 Watsonville, City of — Watsonville, 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 2023 report; a new report will replace it once the utility publishes its next annual update.
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