Drinking water quality · 2023
· Verified
What's in North Gualala Water Company — Gualala, Ca, CA tap water
23 contaminants were measured in the North Gualala Water Company — Gualala, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 23
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.83 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | Not detected ug/LRangeSystem-wide | None set | None detected |
| Antimony | Not detected ug/LRangeSystem-wide | None set | None detected |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected ug/LAverageSystem-wide | None set | None detected |
| BariumA metal from erosion of natural deposits and industrial discharge. | Not detected ug/LRangeSystem-wide | None set | None detected |
| Beryllium | Not detected ug/LRangeSystem-wide | None set | None detected |
| Cadmium | Not detected ug/LAverageSystem-wide | None set | None detected |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | Not detected ug/LAverageSystem-wide | None set | None detected |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0 ug/L90th percentileAt the tap | None set | Within the limit |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | Not detected ug/LAverageSystem-wide | None set | None detected |
| NickelA metal from natural deposits and industrial discharge. | Not detected ug/LRangeSystem-wide | None set | None detected |
| SeleniumA trace element from natural deposits and industrial discharge. | Not detected ug/LRangeSystem-wide | None set | None detected |
| Thallium | Not detected ug/LRangeSystem-wide | None set | None detected |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 1.29 pCi/LAverageSystem-wide | 15 pCi/LMCL | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | Not detected ug/LRangeSystem-wide | None set | None detected |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Asbestos | Not detected MFLAverageSystem-wide | 7 MFLMCL | None detected |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | Not detected mg/LAverageSystem-wide | 4 mg/LMCL | None detected |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected mg/LRangeSystem-wide | 10 mg/LMCL | None detected |
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | Not detected mg/LRangeSystem-wide | 1 mg/LMCL | None detected |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Highest single sampleNo. of Detection | 0MCLG | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0Highest single sampleNo. of Detection | 0MCLG | None detected |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | Not detected ug/LAverageSystem-wide | None set | None detected |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 100Reported levelAlternative Technology | None set | Detected — no federal limit |
People also ask about North Gualala Water Company — Gualala, Ca, CA's water
+Is North Gualala Water Company — Gualala, Ca, CA tap water safe to drink in 2023?
Every one of the 23 contaminants measured in North Gualala Water Company — Gualala, 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 North Gualala Water Company — Gualala, Ca, CA tap water?
23 contaminants were measured in North Gualala Water Company — Gualala, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and microbial. 8 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 North Gualala Water Company — Gualala, 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 North Gualala Water Company — Gualala, 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.