Drinking water quality · 2020
· Verified
What's in Orchard Dale Water District — Whittier, Ca, CA tap water
13 contaminants were measured in the Orchard Dale Water District — Whittier, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit.
- Reporting year
- 2020
- Contaminants measured
- 13
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
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.
- Maximum contaminant level exceededHealth-based4 violations on record · most recent Nov 2008resolved
- Monitoring1 violation on recordresolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 3.9 mg/LAverageGroundwater | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.2 mg/LAverageGroundwater | 4 mg/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 3 ug/LAverageGroundwater | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.33 mg/L90th percentileDISTRIBUTION SYSTEM 90%ile | None set | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 0.014 mg/LAverageGroundwater | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.7 mg/LAverageDistribution System | 4 mg/LMCL | Within 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. | 12.5 ug/LAverageDistribution System | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2.2 ug/LAverageDistribution System | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Highest single sampleDISTRIBUTION SYSTEM Highest No. of Detections | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 1Highest single sampleDISTRIBUTION SYSTEM Highest No. of Detections | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detectedAverageGroundwater | 5MCL | None detected |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | Not detectedAverageGroundwater | 15MCL | None detected |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1.7AverageGroundwater | 20MCL | Detected — no federal limit |
People also ask about Orchard Dale Water District — Whittier, Ca, CA's water
+Is Orchard Dale Water District — Whittier, Ca, CA tap water safe to drink in 2020?
Every one of the 13 contaminants measured in Orchard Dale Water District — Whittier, Ca, CA's 2020 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 Orchard Dale Water District — Whittier, Ca, CA tap water?
13 contaminants were measured in Orchard Dale Water District — Whittier, Ca, CA's 2020 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 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 Orchard Dale Water District — Whittier, Ca, CA's 2020 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 Orchard Dale Water District — Whittier, 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 2020 report; a new report will replace it once the utility publishes its next annual update.