Inorganic chemicals · 2022
Nitrate in Norwalk - City, Water Dept. — Norwalk, Ca, CA tap water
Norwalk - City, Water Dept. — Norwalk, Ca, CA's 2022 report shows Nitrate detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Groundwater | 0–0.48 mg/L | 10 mg/L MCL |
Average MWD's Surface Water | 0.75 mg/L | 10 mg/L MCL |
Average Groundwater | 1.7 | None set |
Range Groundwater | 0–4.75 | None set |
Range MWD's Surface Water | 0.7–0.8 mg/L | 10 mg/L MCL |
Average Groundwater | 0.3 mg/L | 10 mg/L MCL |
Verbatim from Norwalk - City, Water Dept. — Norwalk, Ca, CA's 2022 Consumer Confidence Report — source document ↗
About Nitrate
A compound from fertilizer runoff, septic systems, and erosion of natural deposits.
Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.
How Norwalk - City, Water Dept. — Norwalk, Ca, CA compares
5 of the 1170 systems measuring Nitrate on The Water Map have it at or above the federal limit:
Nearby systems also reporting Nitrate:
People also ask
+Is there Nitrate in Norwalk - City, Water Dept. — Norwalk, Ca, CA tap water?
Yes — Norwalk - City, Water Dept. — Norwalk, Ca, CA's 2022 Consumer Confidence Report lists Nitrate at 1.7. Norwalk - City, Water Dept. — Norwalk, Ca, CA's 2022 report shows Nitrate detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Nitrate in drinking water?
The federal MCL for Nitrate is 10 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Nitrate?
A compound from fertilizer runoff, septic systems, and erosion of natural deposits. Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.
+Which other U.S. cities have Nitrate over the federal limit?
5 of the 1170 systems on The Water Map measuring Nitrate report it at or above the federal limit. Examples include Morro Bay Pw Dept - Water Division — Morro Bay, Ca, CA, San Miguelito Mwc — Avila Beach, Ca, CA, Hilmar County Water District — Hilmar, Ca, CA.
+Where does this Nitrate measurement come from?
This page reproduces the Nitrate entry from the 2022 Consumer Confidence Report published by the Norwalk - City, Water Dept. — Norwalk, Ca, 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/norwalk-city-water-dept-norwalk-ca/2022/source.