Drinking water quality · 2022
· Verified
What's in Sebastopol, City of — Sebastopol, Ca, CA tap water
13 contaminants were measured in the Sebastopol, City of — Sebastopol, Ca, CA water system's 2022 annual report. Each is shown below against its federal limit.
- Reporting year
- 2022
- Contaminants measured
- 13
- Over federal limit
- 0
- Approaching the limit
- 0
- 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-based9 violations on record · most recent Oct 2009resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0–5.8 ug/LRangeSystem-wide | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.23 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | Not detected mg/LReported levelSystem-wide | 2 mg/LMCL | None detected |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | Within the limit |
+By source (2)— No. of samples collected, No. of Schools Requesting Lead Sampling
| |||
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 0–5.1 ug/LRangeSystem-wide | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.4–1.9 mg/LRangeSystem-wide | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | Not detected mg/LReported levelSystem-wide | 4 mg/LMCL | None detected |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.04–0.53 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 2.8–6.4 ug/LRangeSystem-wide | None set | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 2.3–4.1 ug/LRangeSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 0–1.3 ug/LRangeSystem-wide | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Highest single sampleNo. of Detections | 0MCLG | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0Highest single sampleNo. of Detections | None set | None detected |
People also ask about Sebastopol, City of — Sebastopol, Ca, CA's water
+Is Sebastopol, City of — Sebastopol, Ca, CA tap water safe to drink in 2022?
Every one of the 13 contaminants measured in Sebastopol, City of — Sebastopol, Ca, CA's 2022 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 Sebastopol, City of — Sebastopol, Ca, CA tap water?
13 contaminants were measured in Sebastopol, City of — Sebastopol, Ca, CA's 2022 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 6 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 Sebastopol, City of — Sebastopol, Ca, CA's 2022 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 Sebastopol, City of — Sebastopol, 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 2022 report; a new report will replace it once the utility publishes its next annual update.