Drinking water quality · 2022
· Verified
What's in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water
9 contaminants were measured in the Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA water system's 2022 annual report. Each is shown below against its federal limit.
- Reporting year
- 2022
- Contaminants measured
- 9
- Over federal limit
- 0
- Approaching the limit
- 1
- 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-based2 violations on record · most recent Nov 2008resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 13–65 ug/LReported levelFm-1 | None set | Approaching the limit |
+By source (2)— Fm-1, Weymouth Effluent
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 6.2–18 ug/LReported levelFm-1 | None set | Within the limit |
+By source (2)— Fm-1, Weymouth Effluent
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 2–2.7 mg/LReported levelFm-1 | None set | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.06 NTUAverageWeymouth Effluent | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | Not detected mg/LAverageWeymouth Effluent | 1 mg/LMCL | None detected |
+By source (2)— Weymouth Effluent, Fm-1
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Cryptosporidium | Not detectedAverageWeymouth Effluent | None set | None detected |
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0 %AverageWeymouth Effluent | None set | None detected |
+By source (2)— Weymouth Effluent, Fm-1
| |||
| Giardia lamblia | Not detectedAverageWeymouth Effluent | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0–0.3 %AverageWeymouth Effluent | None set | Detected — no federal limit |
+By source (2)— Weymouth Effluent, Fm-1
| |||
People also ask about Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's water
+Is Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water safe to drink in 2022?
Every one of the 9 contaminants measured in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2022 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 Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water?
9 contaminants were measured in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2022 Consumer Confidence Report, spanning microbial, disinfection byproducts, and inorganic chemicals. 1 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Are any contaminants in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: TTHM. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2022 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 Foothill Municipal Water Dist. — La Canada Flintridge, 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 2022 report; a new report will replace it once the utility publishes its next annual update.