Physical & aggregate · 2024
Turbidity in El Cajon, CA tap water
El Cajon, CA's 2024 Turbidity measurement is below the federal limit of 5 NTU (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Helix Plant | 0.05 NTU | None set |
Maximum Helix Plant | 0.13 NTU | None set |
Average Helix Plant | 0.09 NTU | 5 NTU MCL |
Minimum Helix Plant | 0.01 NTU | None set |
Maximum Helix Plant | 0.9 NTU | 5 NTU MCL |
Maximum Purchased Water | 0.09 NTU | None set |
Minimum Helix Plant | 0.03 NTU | 5 NTU MCL |
Verbatim from El Cajon, CA's 2024 Consumer Confidence Report — source document ↗
About Turbidity
A measure of cloudiness from suspended particles in the water.
High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.
How El Cajon, CA compares
4 of the 240 systems measuring Turbidity on The Water Map have it at or above the federal limit:
Nearby systems also reporting Turbidity:
People also ask
+Is there Turbidity in El Cajon, CA tap water?
Yes — El Cajon, CA's 2024 Consumer Confidence Report lists Turbidity at 0.09 NTU. El Cajon, CA's 2024 Turbidity measurement is below the federal limit of 5 NTU (MCL).
+What's the federal limit for Turbidity in drinking water?
The federal MCL for Turbidity is 5 NTU. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Turbidity?
A measure of cloudiness from suspended particles in the water. High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.
+Which other U.S. cities have Turbidity over the federal limit?
4 of the 240 systems on The Water Map measuring Turbidity report it at or above the federal limit. Examples include Birmingham, AL, Albuquerque, NM, Freedom District, MD.
+Where does this Turbidity measurement come from?
This page reproduces the Turbidity entry from the 2024 Consumer Confidence Report published by the El Cajon, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/el-cajon/2024/source.