Drinking water quality · 2023
· Verified
What's in Exeter, City of — Exeter, Ca, CA tap water
10 contaminants were measured in the Exeter, City of — Exeter, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 10
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 3.4–7.4 mg/LRangeSystem-wide | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0–0.21 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0–2.5 ug/LRangeSystem-wide | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.25 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.065–0.21 mg/LRangeSystem-wide | 2 mg/LMCL | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0017 ug/L90th percentileAt the tap | None set | Within the limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| DBCP1,2-dibromo-3-chloropropane — a banned soil fumigant pesticide. | 0–45 ng/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. | 3.5 ug/LReported levelSystem-wide | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 1.5–2.3 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 |
+By source (2)— No. of Detections, Total No. of Detections
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People also ask about Exeter, City of — Exeter, Ca, CA's water
+Is Exeter, City of — Exeter, Ca, CA tap water safe to drink in 2023?
Every one of the 10 contaminants measured in Exeter, City of — Exeter, 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 Exeter, City of — Exeter, Ca, CA tap water?
10 contaminants were measured in Exeter, City of — Exeter, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and disinfection byproducts. 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.
+Where does the data on this page come from?
Every value is transcribed from Exeter, City of — Exeter, 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 Exeter, City of — Exeter, 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.