Monmouth, City Of

Polk County, OR
OR4100537
People Served
11.1K
Water Source
Surface Water
Counties
Polk County
Data from
2023
More in Oregon →

Contaminants Exceeding Limits

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

  • TR

    Trihalomethanes

    Trihalomethanes are chemical byproducts formed when chlorine used to disinfect water reacts with organic matter. They are common in chlorinated water and may increase cancer risk.

    148.000 ppb
    EPA limit 80.000 ppb

Other Contaminants Detected

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

Combined Chlorine

Avg:1.020 ppm
Limit:-

Copper

Avg:0.292 ppm
Limit:1.300 ppm

Fluoride

Avg:0.930 ppm
Limit:4.000 ppm

Lead

Avg:1.600 ppb
Limit:15.000 ppb

Nitrate

Avg:8.930 ppm
Limit:10.000 ppm