Drinking water quality · 2023
· Verified
What's in Covina Irrigating Co. — West Covina, Ca, CA tap water
66 contaminants were measured in the Covina Irrigating Co. — West Covina, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 66
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 3 mg/LAverageSurface Water | None set | Within the limit |
| Chlorine Free | 1.3 mg/LAverageGround Water | None set | Within the limit |
| Chlordane | Not detected ng/LAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Chromium | Not detected ug/LAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Dehp | Not detectedAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Diquat | Not detected ug/LRangeGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 4.3 mg/LAverageGround Water | 10 mg/LMCL | Within the limit |
+By source (2)— Ground Water, Surface Water
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.36 mg/LAverageGround Water | 4 mg/LMCL | Within the limit |
+By source (2)— Ground Water, Surface Water
| |||
| Asbestos | Not detected MFLAverageGround Water | 7 MFLMCL | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Cyanide | Not detected ug/LAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | Not detected mg/LRangeGround Water | 1 mg/LMCL | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| ChlorideA naturally occurring salt compound. | 36 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| SulfateA naturally occurring mineral from rock and soil. | 33 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 3.2 ug/LAverageGround Water | None set | Within the limit |
+By source (2)— Ground Water, Surface Water
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | 74 ug/LAverageSurface Water | None set | Within the limit |
+By source (2)— Ground Water, Surface Water
| |||
| Antimony | Not detected ug/LRangeGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Beryllium | Not detected ug/LAverageSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Cadmium | Not detected ug/LAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| CopperA metal that enters water from corroding household plumbing. | Not detected ug/LAverageSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/LAverageSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| ManganeseA naturally occurring metal from soil and rock. | Not detected ug/LAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| NickelA metal from natural deposits and industrial discharge. | Not detected ug/LAverageSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| SeleniumA trace element from natural deposits and industrial discharge. | Not detected ug/LAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Strontium | Not detected pCi/LRangeSurface Water | None set | None detected |
| Thallium | Not detected ug/LAverageSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Vanadium | Not detected ug/LRangeGround Water | 50 ug/LNL | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| ZincA naturally occurring metal that can also enter water from corroding pipes. | Not detected mg/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| AluminumA common element sometimes used as a treatment coagulant. | 14 ug/LAverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| BoronA naturally occurring element from rock and soil. | 110 ug/LAverageGround Water | 1 ug/LNL | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| CalciumA naturally occurring mineral that contributes to water hardness. | 48 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 0.4 ug/LAverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| IronA naturally occurring metal common in groundwater. | 0.18 ug/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 9.1 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| PotassiumA naturally occurring mineral from rock and soil. | 3.4 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| SodiumA naturally occurring salt component. | 35 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 4.1 pCi/LAverageGround Water | 15 pCi/LMCL | Within the limit |
+By source (2)— Ground Water, Surface Water
| |||
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.2 pCi/LAverageSurface Water | 5 pCi/LMCL | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | Not detected pCi/LRangeSurface Water | None set | None detected |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2.5 pCi/LAverageSurface Water | 20 pCi/LMCL | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 19 ug/LAverageSurface Water | None set | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 9.6 ug/LAverageSurface Water | None set | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| NDMA | Not detected ng/LAverageGround Water | 10 ng/LNL | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 0.5 ug/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.1 NTUAverageGround Water | 1 NTUMCL | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| ColorA measure of visible tint in the water. | Not detectedAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| OdorA measure of detectable smell in the water. | Not detectedAverageSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| AlkalinityA measure of the water's capacity to neutralize acids. | 150 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 160 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| pHA measure of how acidic or basic the water is. | 8.2AverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 470 uS/cmAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 1.9 mg/LAverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 290 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | Not detected %AverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | Not detected ng/LRangeGround Water | 10 ng/LMCL | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| PFAS | Not detected ng/LAverageSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | Not detected ng/LRangeSurface Water | 4 ng/LMCL | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | Not detected ng/LAverageGround Water | 4 ng/LMCL | None detected |
+By source (2)— Ground Water, Surface Water
| |||
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| 1,2,3-TCP | Not detected ng/LRangeGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | Not detected ug/LRangeGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Dichlorodifluoromethane | Not detected ug/LAverageGround Water | 1 ug/LNL | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| MTBE | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Simazine | Not detected ug/LAverageGround Water | None set | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | Not detected ug/LAverageGround Water | 5 ug/LMCL | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | Not detected ug/LAverageSurface Water | 5 ug/LMCL | None detected |
+By source (2)— Surface Water, Ground Water
| |||
Source: Covina Irrigating Co. — West Covina, Ca, CA's 2023 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 Covina Irrigating Co. — West Covina, Ca, CA's water
+Is Covina Irrigating Co. — West Covina, Ca, CA tap water safe to drink in 2023?
Every one of the 66 contaminants measured in Covina Irrigating Co. — West Covina, 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 Covina Irrigating Co. — West Covina, Ca, CA tap water?
66 contaminants were measured in Covina Irrigating Co. — West Covina, Ca, CA's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, and inorganic chemicals. 17 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 Covina Irrigating Co. — West Covina, 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 Covina Irrigating Co. — West Covina, 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.
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