Drinking water quality · 2023
· Verified
What's in San Jacinto, City of, CA tap water
32 contaminants were measured in the San Jacinto, City of, 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
- 32
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Manganese
- Service area
- CA
Where your water comes from · EPA SDWIS
San Jacinto, City of, CA's drinking water comes from ground water, drawn from 3 sources.
Source
- WELL 10 BATH STREET
- ARTESIA WELL
- LAKE PARK WELL
Treatment
- BATH TREATMENT PLANT EFFLUENT - TREATED
- BATH RESERVOIR - TREATED
- ARTESIA WELL - CL XCLD
- + 2 more
Distribution
Also buys water from EASTERN MUNICIPAL WD.
Historical readings · EPA Six-Year Review (2012–2019)
2 contaminants historically over EPA limits in San Jacinto, City of, CA
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
HAA5 worst: 2014 | 0.071 mg/L 1.2× | 0.06 mg/L | '14'15'18'19 |
TTHM worst: 2014 | 0.091 mg/L 1.1× | 0.08 mg/L | '14'15'16'18'19 |
FLUORIDE worst: 2013 | 0.6 mg/L within | 4 mg/L | '13'16'19 |
BARIUM worst: 2013 | 0.19 mg/L within near national p90 | 2 mg/L | '13'16'19 |
URANIUM worst: 2013 | 0.00168 ug/L within below national p90 | 30 ug/L | '13 |
TCAA worst: 2014 | 0.039 mg/L | — | '14'15'18'19 |
DBAA worst: 2014 | 0.0034 mg/L | — | '14'15'16'18'19 |
DCAA worst: 2014 | 0.023 mg/L | — | '14'15'16'18'19 |
MBAA worst: 2014 | 0.0041 mg/L | — | '14'15'19 |
MCAA worst: 2014 | 0.023 mg/L | — | '14'15 |
BROMODICHLOROMETHANE worst: 2014 | 0.025 mg/L | — | '14'15'16'18'19 |
BROMOFORM worst: 2014 | 0.0061 mg/L | — | '14'15'16'18'19 |
CHLOROFORM worst: 2014 | 0.053 mg/L | — | '14'15'16'18'19 |
DIBROMOCHLOROMETHANE worst: 2014 | 0.011 mg/L | — | '14'15'16'18'19 |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ManganeseA naturally occurring metal from soil and rock. | 77.20769230769231 UG/LAverageSource water | 50 UG/LMCL | At or above the limit |
| IronA naturally occurring metal common in groundwater. | 70.65384615384616 UG/LAverageSource water | 300 UG/LMCL | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 200 UG/L90th percentileDistribution | 1300 UG/LAl | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 1.660000000000001 UG/L90th percentileDistribution | 15 UG/LAl | Within the limit |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | 30.433333333333334 UG/LAverageSource water | 5000 UG/LMCL | Within the limit |
| BoronA naturally occurring element from rock and soil. | 18 UG/LAverageSource water | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 30.2 MG/LAverageSource water | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 5.13 MG/LAverageSource water | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 3.546666666666667 MG/LAverageSource water | None set | Detected — no federal limit |
| SilicaA naturally occurring compound from sand and rock. | 24 MG/LAverageSource water | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 25.099999999999998 MG/LAverageSource water | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 270.3333333333333 MG/LAverageSource water | 1000 MG/LMCL | Within the limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 414.3333333333333 UMHO/CMAverageSource water | 1600 UMHO/CMMCL | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 126.22222222222223 MG/LAverageSource water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 159.66666666666666 MG/LAverageSource water | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| SulfateA naturally occurring mineral from rock and soil. | 31.433333333333334 MG/LAverageSource water | 500 MG/LMCL | Within the limit |
| ChlorideA naturally occurring salt compound. | 14.4 MG/LAverageSource water | 500 MG/LMCL | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected MG/LHighest single sampleSource water | 10 MG/LMCL | None detected |
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | Not detected MG/LHighest single sampleSource water | 1 MG/LMCL | None detected |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | Not detected UG/LHighest single sampleSource water | 6 UG/LMCL | None detected |
People also ask about San Jacinto, City of, CA's water
+Is San Jacinto, City of, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the San Jacinto, City of, CA water utility lists 1 contaminant at or above the federal limit: Manganese. 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 San Jacinto, City of, CA tap water?
32 contaminants were measured in San Jacinto, City of, CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 15 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 San Jacinto, City of, CA tap water?
One contaminant in San Jacinto, City of, CA's 2023 report sits at or above the federal limit: Manganese (1.5× 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 San Jacinto, City of, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Manganese, at 1.5× 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 San Jacinto, City of, 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 Jacinto, City of, 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.