Drinking water quality · 2020
· Verified
What's in Rubio Canon Land & Water Association — Altadena, Ca, CA tap water
28 contaminants were measured in the Rubio Canon Land & Water Association — Altadena, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit.
- Reporting year
- 2020
- Contaminants measured
- 28
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | 3.25 ug/LAverageAverage Amount | 5 ug/LMCL | Within the limit |
| 1,2,3-TCP | Not detected ug/LRangeSystem-wide | None set | None detected |
| MTBE | Not detected ug/LAverageAverage Amount | None set | None detected |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 2.4 mg/LAverageAverage Amount | 4 mg/LMCL | Within the limit |
| Radium 226 228 | Not detected pCi/LRangeSystem-wide | 5 pCi/LMCL | None detected |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 8.65 pCi/LAverageAverage Amount | 15 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 6.86 pCi/LAverageAverage Amount | 20 pCi/LMCL | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 5.4 mg/LAverageAverage Amount | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.78 mg/LAverageAverage Amount | 4 mg/LMCL | Within the limit |
| ChlorideA naturally occurring salt compound. | 96 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 219 mg/LAverageAverage Amount | None set | 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. | 28 ug/LAverageAverage Amount | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 7.31 ug/LAverageAverage Amount | None set | Within the limit |
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 2.08 ug/LAverageAverage Amount | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.44 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected ug/LAverageAverage Amount | None set | None detected |
| IronA naturally occurring metal common in groundwater. | Not detected ug/LAverageAverage Amount | None set | None detected |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected mg/L90th percentileAt the tap | 0.015 mg/LAction level | None detected |
| ManganeseA naturally occurring metal from soil and rock. | Not detected ug/LRangeSystem-wide | None set | None detected |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | Not detected mg/LAverageAverage Amount | None set | None detected |
| AluminumA common element sometimes used as a treatment coagulant. | 148 ug/LAverageAverage Amount | None set | Detected — no federal limit |
| BoronA naturally occurring element from rock and soil. | 100 ug/LAverageAverage Amount | None set | Detected — no federal limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | Not detected ug/LAverageAverage Amount | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 24 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| Vanadium | 3.2 ug/LAverageAverage Amount | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HardnessA measure of dissolved calcium and magnesium minerals. | 380 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 964AverageAverage Amount | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 604 mg/LAverageAverage Amount | None set | Detected — no federal limit |
People also ask about Rubio Canon Land & Water Association — Altadena, Ca, CA's water
+Is Rubio Canon Land & Water Association — Altadena, Ca, CA tap water safe to drink in 2020?
Every one of the 28 contaminants measured in Rubio Canon Land & Water Association — Altadena, 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 Rubio Canon Land & Water Association — Altadena, Ca, CA tap water?
28 contaminants were measured in Rubio Canon Land & Water Association — Altadena, Ca, CA's 2020 Consumer Confidence Report, spanning metals, inorganic chemicals, 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.
+Where does the data on this page come from?
Every value is transcribed from Rubio Canon Land & Water Association — Altadena, 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 Rubio Canon Land & Water Association — Altadena, 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.