Mo American St Louis St Charles Counties

MO
MO6010716
People Served
1.1M
Water Source
Surface Water
Counties
St. Charles and St. Louis Counties
Data from
2023
More in Missouri →

Contaminants Exceeding Limits

The following contaminants have exceeded the guideline limits at least once in the last year.

  • CH

    Chlorate

    Chlorate forms when chlorine-based disinfectants react with water. It's a byproduct of water treatment that can interfere with thyroid function, especially in infants and pregnant women.

    370.000 ppb
    EPA limit 210.000 ppb
  • NI

    Nitrite

    Nitrite is a nitrogen compound from fertilizers and waste. It converts to nitrate in the body and can cause oxygen deficiency in infants, known as "blue baby syndrome".

    1.250 ppm
    EPA limit 1.000 ppm

Other Contaminants Detected

The following contaminants have been detected, but not exceeded the guideline limits in the last year.

2,4-D

Avg:0.200 ppb
Limit:70.000 ppb

Alkalinity, Total

Avg:235.000 ppm
Limit:-

Arsenic

Avg:2.000 ppb
Limit:10.000 ppb

Atrazine

Avg:0.400 ppb
Limit:3.000 ppb

Calcium

Avg:22.000 ppm
Limit:-

Carbon, Total

Avg:4.200 ppm
Limit:-
Show More