Drinking water quality · 2021
· Verified
What's in Paramount - City, Water Dept. — Paramount, Ca, CA tap water
17 contaminants were measured in the Paramount - City, Water Dept. — Paramount, Ca, CA water system's 2021 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2021
- Contaminants measured
- 17
- Over federal limit
- 1
- 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 NTUAverageDistribution System | None set | At or above the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 6.8 ug/LAverageGroundwater | None set | Within the limit |
+By source (2)— Groundwater, MWD's Surface Water
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.16 mg/LAverageGroundwater | 2 mg/LMCL | Within the limit |
+By source (2)— Groundwater, MWD's Surface Water
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.088 mg/L90th percentileDISTRIBUTION SYSTEM 90%ile | None set | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.001 ug/L90th percentileDISTRIBUTION SYSTEM 90%ile | None set | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 0.14 mg/LAverageMWD's Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD's Surface Water, Groundwater
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 33.5 ug/LAverageDistribution System | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 6.6 ug/LAverageDistribution System | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 1.4 mg/LAverageDistribution System | 4 mg/LMCL | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.7 mg/LAverageMWD's Surface Water | 4 mg/LMCL | Within the limit |
+By source (2)— MWD's Surface Water, Groundwater
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected mg/LAverageMWD's Surface Water | 10 mg/LMCL | None detected |
+By source (2)— MWD's Surface Water, Groundwater
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0 %AverageDistribution System Average % Positive | None set | None detected |
+By source (2)— Distribution System Average % Positive, Distribution System Range % Positive
| |||
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0 %AverageDistribution System Average % Positive | None set | None detected |
+By source (2)— Distribution System Average % Positive, Distribution System Range % Positive
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detectedAverageMWD's Surface Water | 5MCL | Detected — no federal limit |
+By source (2)— MWD's Surface Water, Groundwater
| |||
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | Not detectedAverageGroundwater | 15MCL | Detected — no federal limit |
+By source (2)— MWD's Surface Water, Groundwater
| |||
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 6AverageMWD's Surface Water | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2AverageMWD's Surface Water | 20MCL | Detected — no federal limit |
+By source (2)— MWD's Surface Water, Groundwater
| |||
People also ask about Paramount - City, Water Dept. — Paramount, Ca, CA's water
+Is Paramount - City, Water Dept. — Paramount, Ca, CA tap water safe to drink in 2021?
The 2021 Consumer Confidence Report for the Paramount - City, Water Dept. — Paramount, Ca, CA water utility lists 1 contaminant at or above the federal limit: Turbidity. 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 Paramount - City, Water Dept. — Paramount, Ca, CA tap water?
17 contaminants were measured in Paramount - City, Water Dept. — Paramount, Ca, CA's 2021 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 7 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 Paramount - City, Water Dept. — Paramount, Ca, CA tap water?
One contaminant in Paramount - City, Water Dept. — Paramount, Ca, CA's 2021 report sits at or above the federal limit: Turbidity (1.2× 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 Paramount - City, Water Dept. — Paramount, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2021 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 Paramount - City, Water Dept. — Paramount, Ca, CA's 2021 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 Paramount - City, Water Dept. — Paramount, 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 2021 report; a new report will replace it once the utility publishes its next annual update.