Drinking water quality · 2023
· Verified
What's in Marina Coast Water District — Marina, Ca, CA tap water
31 contaminants were measured in the Marina Coast Water District — Marina, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 31
- 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-based4 violations on record · most recent Dec 2006resolved
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. | 2.7 ug/LAverageAnnual | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.2 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. | 0.99 ug/L90th percentileAt the tap | None set | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | 0.7 ug/LAverageAnnual | None set | Within the limit |
| BoronA naturally occurring element from rock and soil. | 21.4 ug/LAverageAnnual | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 42.7 mg/LAverageAnnual | None set | Detected — no federal limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 3.4 ug/LAverageAnnual | None set | Detected — no federal limit |
| LithiumA naturally occurring element found in some groundwater. | 28.9 ug/LAverageAnnual | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 13.7 mg/LAverageAnnual | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 2.4 mg/LAverageAnnual | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 66.7 mg/LAverageAnnual | None set | Detected — no federal limit |
| Vanadium | 6.6 ug/LAverageAnnual | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.6 pCi/LAverageAnnual | 15 pCi/LMCL | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 7.5 pCi/LAverageAnnual | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1.6 pCi/LAverageAnnual | 20 pCi/LMCL | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.94 mg/LAverageAnnual | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1.9 mg/LAverageAnnual | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.2 mg/LAverageAnnual | 4 mg/LMCL | Within the limit |
| BromideA naturally occurring salt found in source water. | 400 ug/LAverageAnnual | None set | Detected — no federal limit |
| ChlorideA naturally occurring salt compound. | 100 mg/LAverageAnnual | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 50.4 mg/LAverageAnnual | None set | 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. | 9 ug/LAverageAnnual | None set | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.1 NTUAverageAnnual | 1 NTUMCL | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 128.4 mg/LAverageAnnual | None set | Detected — no federal limit |
| Bicarbonate | 128.4 mg/LAverageAnnual | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 161.3 mg/LAverageAnnual | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 7.9AverageAnnual | None set | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 662.9AverageAnnual | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 431.4 mg/LAverageAnnual | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Tce | 0.4 ug/LAverageAnnual | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 530Reported levelTotal Samples Collected & Month Positive | None set | Detected — no federal limit |
People also ask about Marina Coast Water District — Marina, Ca, CA's water
+Is Marina Coast Water District — Marina, Ca, CA tap water safe to drink in 2023?
Every one of the 31 contaminants measured in Marina Coast Water District — Marina, 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 Marina Coast Water District — Marina, Ca, CA tap water?
31 contaminants were measured in Marina Coast Water District — Marina, Ca, CA's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, 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 Marina Coast Water District — Marina, 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 Marina Coast Water District — Marina, 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.