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Water Quality Report

Dorchester, IL

Macoupin County · 540 residents · 1 water system

3

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

0

Above health guidelines

Dorchester drinking water comes from surface water. Based on the most recent monitoring data, 3 contaminants have been detected in the water supply, including Lead, Total Trihalomethanes, Haloacetic Acids (HAA5).

Contaminants detected in Dorchester water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0 / 0.015 mg/L
0% of EPA limit
Total Trihalomethanes72.8 / 80 ug/L
91% of EPA limit
Haloacetic Acids (HAA5)48.6 / 60 ug/L
81% of EPA limit
Microplastics (not routinely tested)

Water systems serving Dorchester

DORCHESTER

540 servedSurface water3 contaminants
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Other cities in Macoupin County

Water quality reports for nearby Illinois communities.

AvistonBenldBrightonBunker HillCarlinvilleChesterfieldEagarvilleGillespieGirardHettickJerseyvilleModesto

Frequently asked questions

Is Dorchester, IL tap water safe to drink?
Dorchester tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 3 contaminants have been detected in the water supply, including Lead, Total Trihalomethanes, Haloacetic Acids (HAA5). Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Dorchester water?
Monitoring has detected 3 contaminants in Dorchester's water supply: Lead, Total Trihalomethanes, Haloacetic Acids (HAA5). See individual system reports for concentrations relative to EPA limits.
Where does Dorchester get its drinking water?
Dorchester's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Dorchester is served by one water system: DORCHESTER.

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