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 — 1 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 14
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Lead
- Service area
- CA
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 90 ug/LAverageTreated Surface Water | None set | At or above the limit |
+By source (4)— Treated Surface Water, COW Maximum Level, Niveles de Promedio de la Ciudad +1 more
| |||
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 1 ug/LAverageNiveles de Promedio de la Ciudad | 0.004 ug/LPublic health goal | Within the limit |
+By source (7)— Treated Ground-water 2, COW Maximum Level, Niveles de Promedio de la Ciudad +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
| |||
| 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/LAverageNiveles de Promedio de la Ciudad | 0.02 ug/LPublic health goal | Detected — no federal limit |
+By source (7)— Potencial Costo de Tratamiento, Potential Treatment Cost, 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, Potencial Costo de Tratamiento +4 more
| |||
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/LAverageNiveles de Promedio de la Ciudad | 0.007 ng/LPublic health goal | Within the limit |
+By source (5)— COW Maximum Level, Niveles de Promedio de la Ciudad, COW Average Level +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
| |||
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 (5)— Potential Treatment Cost, Potencial Costo de Tratamiento, COW Maximum Level +2 more
| |||
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?
The 2023 Consumer Confidence Report for the Watsonville, City of — Watsonville, Ca, CA water utility lists 1 contaminant at or above the federal limit: Lead. 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 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.
+Which contaminants exceed federal limits in Watsonville, City of — Watsonville, Ca, CA tap water?
One contaminant in Watsonville, City of — Watsonville, Ca, CA's 2023 report sits at or above the federal limit: Lead (6.0× 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 Watsonville, City of — Watsonville, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Lead, at 6.0× the federal threshold. It belongs to the metals family of contaminants.
+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.