Drinking water quality · 2023
· Verified
What's in Coalinga-city — Coalinga, Ca, CA tap water
20 contaminants were measured in the Coalinga-city — Coalinga, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 20
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 2.5 mg/LAverageSystem-wide | 4 mg/LMCL | Within the limit |
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 2 mg/LAverageSystem-wide | 4 mg/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.8 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 | None detected |
| LithiumA naturally occurring element found in some groundwater. | Not detected ug/LAverageSystem-wide | None set | None detected |
| AluminumA common element sometimes used as a treatment coagulant. | 0.09 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 0.08 ug/LAverageSystem-wide | 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. | 43 ug/LAverageSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 15 ug/LAverageSystem-wide | None set | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 2.5 pCi/LAverageSystem-wide | 15 pCi/LMCL | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 4.3 pCi/LAverageSystem-wide | None set | Detected — no federal limit |
Inorganic chemicals
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Reported levelPositive Detections in 2024 | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 3Reported levelPositive Detections in 2024 | None set | Detected — no federal limit |
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFAS | Not detected ug/LAverageSystem-wide | None set | None detected |
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | Not detected ug/LAverageSystem-wide | None set | None detected |
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | Not detected ug/LAverageSystem-wide | None set | None detected |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.3 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.2AverageSystem-wide | None set | Detected — no federal limit |
People also ask about Coalinga-city — Coalinga, Ca, CA's water
+Is Coalinga-city — Coalinga, Ca, CA tap water safe to drink in 2023?
Every one of the 20 contaminants measured in Coalinga-city — Coalinga, 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 Coalinga-city — Coalinga, Ca, CA tap water?
20 contaminants were measured in Coalinga-city — Coalinga, Ca, CA's 2023 Consumer Confidence Report, spanning metals, pfas ("forever chemicals"), and disinfectants. 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 Coalinga-city — Coalinga, 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 Coalinga-city — Coalinga, 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.