Drinking water quality · 2020
· Verified
What's in Sunny Slope Water Co. — Pasadena, Ca, CA tap water
28 contaminants were measured in the Sunny Slope Water Co. — Pasadena, 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
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.
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0–0.87 mg/LRangeSource water | 1.3 mg/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/LReported levelSource water | None set | None detected |
| BoronA naturally occurring element from rock and soil. | 240 ug/LReported levelSource water | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 57 mg/LReported levelSource water | None set | Detected — no federal limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 6.3–10 ug/LRangeSource water | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 16 mg/LReported levelSource water | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 1.7 mg/LReported levelSource water | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 27 mg/LReported levelSource water | None set | Detected — no federal limit |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | 18 ug/LReported levelSource water | 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. | 5.99–7.94 pCi/LRangeSource water | 15 pCi/LMCL | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.019–0.075 pCi/LRangeSource water | 5 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 6.3 pCi/LReported levelSource water | 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. | 2.2–5.2 mg/LRangeSource water | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.74–0.84 mg/LRangeSource water | 4 mg/LMCL | Within the limit |
| ChlorideA naturally occurring salt compound. | 18 mg/LReported levelSource water | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 50 mg/LReported levelSource water | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.27–1.97 mg/LRangeSource water | None set | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0–0.29 NTURangeSource water | 1 NTUMCL | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 140 mg/LReported levelSource water | None set | Detected — no federal limit |
| Bicarbonate | 180 mg/LReported levelSource water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 210 mg/LReported levelSource water | None set | Detected — no federal limit |
| OdorA measure of detectable smell in the water. | 1–2RangeSource water | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 7.4Reported levelSource water | 6.5Public health goal | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 500Reported levelSource water | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 310 mg/LReported levelSource water | 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. | 0–7.6 ug/LRangeSource water | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 0–3.5 ug/LRangeSource water | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | Not detectedReported levelSource water | None set | None detected |
People also ask about Sunny Slope Water Co. — Pasadena, Ca, CA's water
+Is Sunny Slope Water Co. — Pasadena, Ca, CA tap water safe to drink in 2020?
Every one of the 28 contaminants measured in Sunny Slope Water Co. — Pasadena, 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 Sunny Slope Water Co. — Pasadena, Ca, CA tap water?
28 contaminants were measured in Sunny Slope Water Co. — Pasadena, Ca, CA's 2020 Consumer Confidence Report, spanning metals, physical & aggregate, and inorganic chemicals. 8 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 Sunny Slope Water Co. — Pasadena, 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 Sunny Slope Water Co. — Pasadena, 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.