Drinking water quality · 2020
· Verified
What's in Tract 349 Mutual Water Co., CA tap water
15 contaminants were measured in the Tract 349 Mutual Water Co., CA water system's 2020 annual report. Each is shown below against its federal limit.
- Reporting year
- 2020
- Contaminants measured
- 15
- 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-based1 violation on record · most recent Apr 1996resolved
- Monitoring1 violation on recordresolved
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. | 1.6 ug/LAverageGROUNDWATER AVERAGE (j) | None set | Within the limit |
+By source (2)— GROUNDWATER RANGE (j), GROUNDWATER AVERAGE (j)
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.14 mg/L90th percentileDistribution System | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.14 mg/LAverageGROUNDWATER AVERAGE (j) | 2 mg/LMCL | Within the limit |
+By source (2)— GROUNDWATER RANGE (j), GROUNDWATER AVERAGE (j)
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | None detected |
| AluminumA common element sometimes used as a treatment coagulant. | 0.1 mg/LAverageGROUNDWATER AVERAGE (j) | None set | Detected — no federal limit |
+By source (2)— GROUNDWATER RANGE (j), GROUNDWATER AVERAGE (j)
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 2.2 pCi/LAverageGROUNDWATER AVERAGE (j) | 15 pCi/LMCL | Within the limit |
+By source (2)— GROUNDWATER RANGE (j), GROUNDWATER AVERAGE (j)
| |||
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected pCi/LAverageGROUNDWATER AVERAGE (j) | 5 pCi/LMCL | None detected |
+By source (2)— GROUNDWATER AVERAGE (j), GROUNDWATER RANGE (j)
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 3.7 pCi/LAverageGROUNDWATER AVERAGE (j) | 20 pCi/LMCL | Detected — no federal limit |
+By source (2)— GROUNDWATER RANGE (j), GROUNDWATER AVERAGE (j)
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.32 mg/LAverageGROUNDWATER AVERAGE (j) | 4 mg/LMCL | Within the limit |
+By source (2)— GROUNDWATER RANGE (j), GROUNDWATER AVERAGE (j)
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.5 mg/LAverageGROUNDWATER AVERAGE (j) | 10 mg/LMCL | Within the limit |
+By source (2)— GROUNDWATER RANGE (j), GROUNDWATER AVERAGE (j)
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 5.6 ug/LAverageDistribution System | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2.1 ug/LAverageDistribution System | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Free | 0.13 mg/LAverageDistribution System | 4 mg/LMCL | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0AverageDistribution System Average # Positive | None set | None detected |
+By source (2)— Distribution System Average # Positive, Distribution System Range Of # Positive
| |||
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0AverageDistribution System Average # Positive | 0MCLG | None detected |
+By source (2)— Distribution System Average # Positive, Distribution System Range Of # Positive
| |||
People also ask about Tract 349 Mutual Water Co., CA's water
+Is Tract 349 Mutual Water Co., CA tap water safe to drink in 2020?
Every one of the 15 contaminants measured in Tract 349 Mutual Water Co., CA's 2020 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 Tract 349 Mutual Water Co., CA tap water?
15 contaminants were measured in Tract 349 Mutual Water Co., CA's 2020 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 10 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 Tract 349 Mutual Water Co., CA's 2020 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 Tract 349 Mutual Water Co., 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 2020 report; a new report will replace it once the utility publishes its next annual update.