Drinking water quality · 2023
· Verified
What's in Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA tap water
25 contaminants were measured in the Morro Bay Pw Dept - Water Division — Morro Bay, Ca, 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
- 25
- Over federal limit
- 1
- Approaching the limit
- 2
- Worst contaminant
- Nitrate
- Service area
- CA
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 14–73 mg/LRangeGroundwater Wells | 10 mg/LMCL | At or above the limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.2 mg/LReported levelGroundwater Wells | 4 mg/LMCL | Within the limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.18–3.84 mg/LRangeState Water | None set | Approaching the 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. | 22–76 ug/LRangeState Water | None set | Approaching the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 14–37 ug/LRangeGroundwater Wells | None set | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| SeleniumA trace element from natural deposits and industrial discharge. | 19–40 ug/LRangeGroundwater Wells | None set | Within the limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 33–39 ug/LRangeGroundwater Wells | None set | Within the limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | 0–0.188 mg/LRangeGroundwater Wells | 2 mg/LMCL | Within the limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.09 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. | Not detected ug/L90th percentileAt the tap | None set | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 0–0.071 mg/LRangeState Water | None set | Detected — no federal limit |
| BoronA naturally occurring element from rock and soil. | 95–260 ug/LRangeGroundwater Wells | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| CalciumA naturally occurring mineral that contributes to water hardness. | 81–164 mg/LRangeGroundwater Wells | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 77–146 mg/LRangeGroundwater Wells | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| PotassiumA naturally occurring mineral from rock and soil. | 3.5 mg/LReported levelState Water | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| SodiumA naturally occurring salt component. | 52–249 mg/LRangeGroundwater Wells | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| Vanadium | 11–14 ug/LRangeGroundwater Wells | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.15 NTUReported levelState Water | None set | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 380–450 mg/LRangeGroundwater Wells | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| Bicarbonate | 66 mg/LReported levelState Water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 519–1010 mg/LRangeGroundwater Wells | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| pHA measure of how acidic or basic the water is. | 7.6–8.8RangeState Water | None set | Detected — no federal limit |
+By source (2)— Groundwater Wells, Treated Groundwater
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 1.2–2.5 mg/LRangeState Water | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 0.099 ug/LReported levelState Water | None set | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | Not detected pCi/LReported levelState Water | 20 pCi/LMCL | None detected |
People also ask about Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA's water
+Is Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA water utility lists 1 contaminant at or above the federal limit: Nitrate. 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 Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA tap water?
25 contaminants were measured in Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, and disinfection byproducts. 5 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 Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA tap water?
One contaminant in Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA's 2023 report sits at or above the federal limit: Nitrate (7.3× 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 Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Nitrate, at 7.3× the federal threshold. It belongs to the inorganic chemicals family of contaminants.
+Are any contaminants in Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA tap water approaching the federal limit?
2 contaminants are between 80% and 100% of the federal limit in this report: Chlorine and TTHM. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Morro Bay Pw Dept - Water Division — Morro Bay, 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 Morro Bay Pw Dept - Water Division — Morro Bay, 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.