Drinking water quality · 2021
· Verified
What's in Oceano Comm Services Dist. — Oceano, Ca, CA tap water
19 contaminants were measured in the Oceano Comm Services Dist. — Oceano, Ca, CA water system's 2021 annual report. Each is shown below against its federal limit.
- Reporting year
- 2021
- Contaminants measured
- 19
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
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 May 2006resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 43–51 ug/LRangeCCWA State Water | None set | Within the limit |
+By source (3)— CCWA State Water, Well Water, Lopez Surface Water
| |||
| Chlorite | 0.28–0.568 mg/LRangeLopez Surface Water | 1 mg/LMCL | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 15–22.2 ug/LRangeLopez Surface Water | None set | Within the limit |
+By source (3)— Lopez Surface Water, Well Water, CCWA State Water
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 3.4–5.3 ug/LRangeLopez Surface Water | None set | Within the limit |
+By source (3)— Lopez Surface Water, Well Water, CCWA State Water
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.52 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.034 mg/LRangeLopez Surface Water | 2 mg/LMCL | Within the limit |
+By source (3)— Lopez Surface Water, CCWA State Water, Well Water
| |||
| Cadmium | Not detected ug/LRangeCCWA State Water | None set | None detected |
+By source (2)— CCWA State Water, Well Water
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected mg/L90th percentileAt the tap | None set | None detected |
+By source (2)— No. of Schools tested in 2022, Well Water
| |||
| AluminumA common element sometimes used as a treatment coagulant. | 0–0.091 mg/LRangeCCWA State Water | None set | Detected — no federal limit |
+By source (3)— CCWA State Water, Lopez Surface Water, Well Water
| |||
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 0.067 ug/LReported levelCCWA State Water | 0.02 ug/LPublic health goal | Detected — no federal limit |
| Vanadium | 6.8Reported levelWell Water | 50NL | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 1.08–3 pCi/LRangeLopez Surface Water | 15 pCi/LMCL | Within the limit |
+By source (2)— Lopez Surface Water, CCWA State Water
| |||
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.038 pCi/LRangeWell Water | None set | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | Not detected pCi/LRangeLopez Surface Water | None set | None detected |
+By source (2)— Lopez Surface Water, CCWA State Water
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 5–8.3 pCi/LRangeWell Water | 20 pCi/LMCL | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.15 NTUReported levelCCWA State Water | None set | Within the limit |
+By source (2)— CCWA State Water, Lopez WTP
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0–390 ug/LRangeLopez Surface Water | 4000 ug/LMCL | Within the limit |
+By source (2)— Lopez Surface Water, CCWA State Water
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.37 mg/LRangeLopez Surface Water | 4 mg/LMCL | Within the limit |
+By source (3)— Lopez Surface Water, CCWA State Water, Well Water
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0Reported levelCCWA State Water | None set | None detected |
+By source (3)— CCWA State Water, Lopez Surface Water, Well Water
| |||
Source: Oceano Comm Services Dist. — Oceano, Ca, CA's 2021 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.
People also ask about Oceano Comm Services Dist. — Oceano, Ca, CA's water
+Is Oceano Comm Services Dist. — Oceano, Ca, CA tap water safe to drink in 2021?
Every one of the 19 contaminants measured in Oceano Comm Services Dist. — Oceano, Ca, CA's 2021 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 Oceano Comm Services Dist. — Oceano, Ca, CA tap water?
19 contaminants were measured in Oceano Comm Services Dist. — Oceano, Ca, CA's 2021 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 9 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 Oceano Comm Services Dist. — Oceano, Ca, CA's 2021 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 Oceano Comm Services Dist. — Oceano, 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 2021 report; a new report will replace it once the utility publishes its next annual update.
More water systems in CA
City of Grover Beach Public Works Dept — Grover Beach, CaCity of Arroyo Grande Utilities Division — Arroyo Grande, CaWoodlands Development — Arroyo Grande, CaPismo Beach Water Department — Pismo Beach, CaGolden State Water Company - Edna — Hawthorne, CaAvila Beach Community Services District — Avila Beach, CaSan Miguelito Mwc — Avila Beach, CaGolden State Water Company - Nipomo — Rancho Cordova, CaNipomo Comm Services Dist — Nipomo, CaGuadalupe Water Department — Guadalupe, CaCity of Santa Maria Utilities Department — Santa Maria, CaGolden State Water Company - Tanglewood — Hawthorne, CaGolden State Water Company - Orcutt — Hawthorne, CaLos Osos Community Services District — Los Osos, CaLopez Project — San Luis Obispo, CaSan Luis Obispo Water Department — San Luis Obispo, CaSlo Csa No. 16 - Shandon — San Luis Obispo, CaSlo Cwwd No. 23 - Santa Margarita — San Luis Obispo, CaSlocsa #10a - Cayucos — San Luis Obispo, CaMorro Bay Pw Dept - Water Division — Morro Bay, CaAtascadero Mutual Water Co — Atascadero, CaAtascadero State Hospital — Atascadero, CaCayucos Beach Mutual Water Company — Cayucos, CaMorro Rock Mutual Water Co — Cayucos, CaAll water systems →