Drinking water quality · 2023
· Verified
What's in El Monte-city, Water Dept., CA tap water
0 contaminants were measured in the El Monte-city, Water Dept., CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 0
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound above EPA limits in El Monte-city, Water Dept., CA
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
PFOS (Perfluorooctane sulfonic acid)
● Over EPA limit (1.1×)PFHxS (Perfluorohexane sulfonic acid)
● Below limitWhere your water comes from · EPA SDWIS
El Monte-city, Water Dept., CA's drinking water comes from ground water, drawn from 6 sources.
Source
- WELL · 3
- WELL 10 LACFC
- WELL 02-A
- WELL 12 - ACTIVE
Treatment
- GAC FOR WELL 12 - COMBINED EFFLEUNT
- GAC FOR WELL 02A - COMBINED EFFLUENT
- GAC FOR WELL 02A - VESSEL 02 - EFFLUENT
- + 10 more
Distribution
Also buys water from CAL/AM WATER COMPANY - BALDWIN HILLS, SAN GABRIEL VALLEY WATER CO.-EL MONTE, and 1 more.
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.
- Maximum contaminant level exceededHealth-based5 violations on record · most recent Aug 2012resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
People also ask about El Monte-city, Water Dept., CA's water
+Is El Monte-city, Water Dept., CA tap water safe to drink in 2023?
Every one of the 0 contaminants measured in El Monte-city, Water Dept., CA's 2023 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 El Monte-city, Water Dept., CA tap water?
0 contaminants were measured in El Monte-city, Water Dept., CA's 2023 Consumer Confidence Report. 0 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 El Monte-city, Water Dept., CA's 2023 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 Monte-city, Water Dept., 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 2023 report; a new report will replace it once the utility publishes its next annual update.