Drinking water quality · 2022
· Verified
What's in El Segundo-city, Water Dept. — El Segundo, Ca, CA tap water
21 contaminants were measured in the El Segundo-city, Water Dept. — El Segundo, Ca, CA water system's 2022 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2022
- Contaminants measured
- 21
- Over federal limit
- 1
- Approaching the limit
- 1
- Worst contaminant
- Bromate
- Service area
- CA
2.0× the limit
state-level CCR
At or above the federal limit
Approaching the limit (≥ 80%)
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 0–20 ug/LReported levelMills Plant | None set | At or above the limit |
+By source (5)— Mills Plant, Jensen Plant, Weymouth Plant +2 more
| |||
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 16–74 ug/LReported levelSkinner Plant | None set | Approaching the limit |
+By source (5)— Jensen Plant, Diemer Plant, Skinner Plant +2 more
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 0–33 ug/LReported levelDiemer Plant | None set | Within the limit |
+By source (5)— Mills Plant, Diemer Plant, Skinner Plant +2 more
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 1.2–3 mg/LReported levelDiemer Plant | 4 mg/LMCL | Within the limit |
+By source (5)— Mills Plant, Diemer Plant, Jensen Plant +2 more
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 0–5 pCi/LReported levelDiemer Plant | 15 pCi/LMCL | Within the limit |
+By source (5)— Diemer Plant, Skinner Plant, Jensen Plant +2 more
| |||
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0–1 pCi/LReported levelMills Plant | 5 pCi/LMCL | Within the limit |
+By source (5)— Mills Plant, Jensen Plant, Skinner Plant +2 more
| |||
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 0–8 pCi/LReported levelSkinner Plant | None set | Detected — no federal limit |
+By source (5)— Skinner Plant, Diemer Plant, Weymouth Plant +2 more
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 0–3 pCi/LReported levelDiemer Plant | 20 pCi/LMCL | Detected — no federal limit |
+By source (5)— Diemer Plant, Jensen Plant, Skinner Plant +2 more
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.5–0.8 mg/LReported levelWeymouth Plant | 4 mg/LMCL | Within the limit |
+By source (5)— Jensen Plant, Weymouth Plant, Skinner Plant +2 more
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1 mg/LReported levelJensen Plant | 10 mg/LMCL | Within the limit |
+By source (5)— Jensen Plant, Mills Plant, Weymouth Plant +2 more
| |||
| ChlorideA naturally occurring salt compound. | 72–110 mg/LReported levelSkinner Plant | None set | Detected — no federal limit |
+By source (5)— Skinner Plant, Diemer Plant, Jensen Plant +2 more
| |||
| SulfateA naturally occurring mineral from rock and soil. | 113–236 mg/LReported levelSkinner Plant | None set | Detected — no federal limit |
+By source (5)— Skinner Plant, Diemer Plant, Jensen Plant +2 more
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.08 NTUReported levelDiemer Plant | None set | Within the limit |
+By source (5)— Diemer Plant, Jensen Plant, Mills Plant +2 more
| |||
| ColorA measure of visible tint in the water. | 1–2Reported levelDiemer Plant | None set | Detected — no federal limit |
+By source (5)— Diemer Plant, Weymouth Plant, Jensen Plant +2 more
| |||
| OdorA measure of detectable smell in the water. | 2Reported levelMills Plant | None set | Detected — no federal limit |
+By source (5)— Mills Plant, Diemer Plant, Jensen Plant +2 more
| |||
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 664–1040Reported levelSkinner Plant | None set | Detected — no federal limit |
+By source (5)— Skinner Plant, Diemer Plant, Jensen Plant +2 more
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.1–3 mg/LReported levelDiemer Plant | None set | Detected — no federal limit |
+By source (5)— Diemer Plant, Skinner Plant, Weymouth Plant +2 more
| |||
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 401–670 mg/LReported levelSkinner Plant | None set | Detected — no federal limit |
+By source (5)— Skinner Plant, Diemer Plant, Jensen Plant +2 more
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| BariumA metal from erosion of natural deposits and industrial discharge. | 116 ug/LReported levelSkinner Plant | 2000 ug/LMCL | Within the limit |
+By source (5)— Skinner Plant, Jensen Plant, Mills Plant +2 more
| |||
| AluminumA common element sometimes used as a treatment coagulant. | 115 ug/LReported levelWeymouth Plant | None set | Detected — no federal limit |
+By source (5)— Weymouth Plant, Skinner Plant, Diemer Plant +2 more
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0–0.3 %Reported levelDiemer Plant | None set | Detected — no federal limit |
+By source (5)— Diemer Plant, Skinner Plant, Mills Plant +2 more
| |||
Source: El Segundo-city, Water Dept. — El Segundo, Ca, CA's 2022 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.
People also ask about El Segundo-city, Water Dept. — El Segundo, Ca, CA's water
+Is El Segundo-city, Water Dept. — El Segundo, Ca, CA tap water safe to drink in 2022?
The 2022 Consumer Confidence Report for the El Segundo-city, Water Dept. — El Segundo, Ca, CA water utility lists 1 contaminant at or above the federal limit: Bromate. 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 El Segundo-city, Water Dept. — El Segundo, Ca, CA tap water?
21 contaminants were measured in El Segundo-city, Water Dept. — El Segundo, Ca, CA's 2022 Consumer Confidence Report, spanning physical & aggregate, inorganic chemicals, and radionuclides. 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 El Segundo-city, Water Dept. — El Segundo, Ca, CA tap water?
One contaminant in El Segundo-city, Water Dept. — El Segundo, Ca, CA's 2022 report sits at or above the federal limit: Bromate (2.0× 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 El Segundo-city, Water Dept. — El Segundo, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2022 report is Bromate, at 2.0× the federal threshold. It belongs to the disinfection byproducts family of contaminants.
+Are any contaminants in El Segundo-city, Water Dept. — El Segundo, 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 El Segundo-city, Water Dept. — El Segundo, 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 El Segundo-city, Water Dept. — El Segundo, 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.
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