Drinking water quality · 2021
· Verified
What's in Covina Irrigating Co. — West Covina, Ca, CA tap water
59 contaminants were measured in the Covina Irrigating Co. — West Covina, Ca, CA water system's 2021 annual report. Each is shown below against its federal limit.
- Reporting year
- 2021
- Contaminants measured
- 59
- 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.
- Treatment technique violationHealth-based1 violation on record · most recent Jun 1993resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 3 mg/LAverageSurface Water | None set | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| Chlorine Free | 1.4 mg/LAverageGround Water | None set | Within the limit |
| Chlordane | Not detected ng/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Chromium | Not detected ug/LAverageGround Water | 0.02 ug/LPublic health goal | None detected |
+By source (2)— Ground Water, Surface Water
| |||
| Diquat | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Pce | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Tce | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 4.45 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. | 0.34 mg/LAverageGround Water | 4 mg/LMCL | Within the limit |
+By source (2)— Ground Water, Surface Water
| |||
| Asbestos | Not detected MFLRangeSurface Water | 7 MFLMCL | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Cyanide | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | Not detected mg/LRangeSurface Water | 1 mg/LMCL | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| ChlorideA naturally occurring salt compound. | 52 mg/LAverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| SulfateA naturally occurring mineral from rock and soil. | 48 mg/LAverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 3.5 ug/LAverageSurface Water | None set | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| Antimony | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | Not detected ug/LAverageSurface Water | None set | Within the limit |
+By source (2)— Ground Water, Surface Water
| |||
| Beryllium | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Cadmium | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| CopperA metal that enters water from corroding household plumbing. | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| IronA naturally occurring metal common in groundwater. | Not detected ug/LRangeSurface 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/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| ManganeseA naturally occurring metal from soil and rock. | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground 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/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| SeleniumA trace element from natural deposits and industrial discharge. | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Strontium | Not detected pCi/LRangeSurface Water | None set | None detected |
| Thallium | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Vanadium | Not detected ug/LRangeSurface Water | 50 ug/LNL | None detected |
+By source (2)— Surface Water, Ground 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. | 44 ug/LAverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| BoronA naturally occurring element from rock and soil. | 143 ug/LAverageSurface Water | 1 ug/LNL | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| CalciumA naturally occurring mineral that contributes to water hardness. | 52 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Ground Water, Surface Water
| |||
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 9.9 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| PotassiumA naturally occurring mineral from rock and soil. | 3.4 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| SodiumA naturally occurring salt component. | 45 mg/LAverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.3 pCi/LAverageSurface Water | 15 pCi/LMCL | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected pCi/LRangeSurface Water | 5 pCi/LMCL | None detected |
+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 |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 13 ug/LAverageSurface Water | None set | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| NDMA | Not detected ng/LRangeSurface Water | 10 ng/LNL | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.06 NTUAverageSurface Water | 1 NTUMCL | Within the limit |
+By source (2)— Surface Water, Ground Water
| |||
| ColorA measure of visible tint in the water. | Not detectedRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| OdorA measure of detectable smell in the water. | Not detectedRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| AlkalinityA measure of the water's capacity to neutralize acids. | 160 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 165 mg/LAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| pHA measure of how acidic or basic the water is. | 8AverageSurface 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. | 510 uS/cmAverageGround Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Ground Water
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.7 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. | 305 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 %RangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFAS | Not detected ng/LRangeSurface 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/LRangeSurface Water | 4 ng/LMCL | None detected |
+By source (2)— Surface Water, Ground Water
| |||
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | Not detected ug/LRangeSurface Water | 0.15 ug/LPublic health goal | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Dichlorodifluoromethane | Not detected ug/LRangeSurface Water | 1 ug/LNL | None detected |
+By source (2)— Surface Water, Ground Water
| |||
| Simazine | Not detected ug/LRangeSurface Water | None set | None detected |
+By source (2)— Surface Water, Ground Water
| |||
Source: Covina Irrigating Co. — West Covina, 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 Covina Irrigating Co. — West Covina, Ca, CA's water
+Is Covina Irrigating Co. — West Covina, Ca, CA tap water safe to drink in 2021?
Every one of the 59 contaminants measured in Covina Irrigating Co. — West Covina, 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 Covina Irrigating Co. — West Covina, Ca, CA tap water?
59 contaminants were measured in Covina Irrigating Co. — West Covina, Ca, CA's 2021 Consumer Confidence Report, spanning metals, physical & aggregate, and inorganic chemicals. 16 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 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 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 2021 report; a new report will replace it once the utility publishes its next annual update.
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