Drinking water quality · 2020
· Verified
What's in La Canada Irrigation Dist. — La Canada, Ca, CA tap water
42 contaminants were measured in the La Canada Irrigation Dist. — La Canada, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2020
- Contaminants measured
- 42
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- Turbidity
- Service area
- CA
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 1.2 NTUAverageAverage Amount | 1 NTUMCL | At or above the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 180 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| Bicarbonate | 220 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| ColorA measure of visible tint in the water. | 3.1AverageAverage Amount | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 258 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| OdorA measure of detectable smell in the water. | 2AverageAverage Amount | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 8.2AverageAverage Amount | None set | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 888AverageAverage Amount | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 3 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 590 mg/LAverageAverage Amount | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Nitrate Nitrite | 10 mg/LAverageAverage Amount | 10 mg/LMCL | At or above the limit |
| Chlorine Total | 1.9 mg/LAverageAverage Amount | 4 mg/LMCL | Within the limit |
| Chromium | Not detected ug/LAverageAverage Amount | None set | None detected |
| Pce | Not detected ug/LAverageAverage Amount | None set | None detected |
| Tce | Not detected ug/LAverageAverage Amount | None set | None detected |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 5.5 ug/LAverageAverage Amount | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.11 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 115 ug/LAverageAverage Amount | None set | Within the limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | Not detected ug/LRangeSystem-wide | None set | None detected |
| IronA naturally occurring metal common in groundwater. | Not detected ug/LRangeSystem-wide | None set | None detected |
| 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 |
| Vanadium | Not detected ug/LAverageAverage Amount | None set | None detected |
| AluminumA common element sometimes used as a treatment coagulant. | 149 ug/LAverageAverage Amount | None set | Detected — no federal limit |
| BoronA naturally occurring element from rock and soil. | 130 ug/LAverageAverage Amount | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 65 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 26 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 4.6 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 95 mg/LAverageAverage Amount | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 5.7 pCi/LAverageAverage Amount | 15 pCi/LMCL | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.003 pCi/LAverageAverage Amount | 5 pCi/LMCL | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 4 pCi/LAverageAverage Amount | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 4.9 pCi/LAverageAverage Amount | 20 pCi/LMCL | 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. | 26 ug/LAverageAverage Amount | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 6 ug/LAverageAverage Amount | None set | Within the limit |
| BromodichloromethaneA trihalomethane disinfection byproduct. | Not detectedAverageAverage Amount | None set | None detected |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | Not detectedAverageAverage Amount | None set | None detected |
| DibromochloromethaneA trihalomethane disinfection byproduct. | Not detectedAverageAverage Amount | None set | None detected |
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | Not detected ug/LAverageAverage Amount | None set | None detected |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.3 mg/LAverageAverage Amount | 4 mg/LMCL | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected mg/LAverageAverage Amount | 10 mg/LMCL | None detected |
| ChlorideA naturally occurring salt compound. | 93 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 213 mg/LAverageAverage Amount | None set | Detected — no federal limit |
People also ask about La Canada Irrigation Dist. — La Canada, Ca, CA's water
+Is La Canada Irrigation Dist. — La Canada, Ca, CA tap water safe to drink in 2020?
The 2020 Consumer Confidence Report for the La Canada Irrigation Dist. — La Canada, Ca, CA water utility lists 2 contaminants at or above the federal limit: Turbidity and Nitrate Nitrite. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in La Canada Irrigation Dist. — La Canada, Ca, CA tap water?
42 contaminants were measured in La Canada Irrigation Dist. — La Canada, Ca, CA's 2020 Consumer Confidence Report, spanning metals, physical & aggregate, and disinfection byproducts. 9 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in La Canada Irrigation Dist. — La Canada, Ca, CA tap water?
2 contaminants in La Canada Irrigation Dist. — La Canada, Ca, CA's 2020 report sit at or above the federal limit: Turbidity (1.2× the limit); Nitrate Nitrite (1.0× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in La Canada Irrigation Dist. — La Canada, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2020 report is Turbidity, at 1.2× the federal threshold. It belongs to the physical & aggregate family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from La Canada Irrigation Dist. — La Canada, 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 La Canada Irrigation Dist. — La Canada, 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.