Drinking water quality · 2023
· Verified
What's in San Juan Bautista, City of — San Juan Bautista, Ca, CA tap water
13 contaminants were measured in the San Juan Bautista, City of — San Juan Bautista, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- 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-based6 violations on record · most recent Oct 2017resolved
- Treatment technique violationHealth-based1 violation on record · most recent Oct 20241 open
- Reporting1 violation on record · most recent Oct 20241 open
- Monitoring1 violation on recordresolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 5.84 pCi/LAverageAve | 15 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 3.12 pCi/LAverageAve | 20 pCi/LMCL | Detected — no federal 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. | 24.5 ug/LAverageAve | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | Not detected ug/LAverageAve | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.95 mg/LAverageAve | 4 mg/LMCL | Within the limit |
Inorganic chemicals
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 1.6 ug/LAverageAve | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.124 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. | 1.3 ug/L90th percentileAt the tap | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.105 mg/LAverageAve | 2 mg/LMCL | Within the limit |
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 2.1 ug/LAverageAve | 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 |
People also ask about San Juan Bautista, City of — San Juan Bautista, Ca, CA's water
+Is San Juan Bautista, City of — San Juan Bautista, Ca, CA tap water safe to drink in 2023?
Every one of the 13 contaminants measured in San Juan Bautista, City of — San Juan Bautista, 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 San Juan Bautista, City of — San Juan Bautista, Ca, CA tap water?
13 contaminants were measured in San Juan Bautista, City of — San Juan Bautista, Ca, CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 8 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 San Juan Bautista, City of — San Juan Bautista, 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 San Juan Bautista, City of — San Juan Bautista, 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.