PlainWater
States → Wisconsin

MERRIMAC WATERWORKS

PWS ID: WI1570093 · MERRIMAC, Wisconsin 53561

Population Served
440
Total Violations
85
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
162
County
Sauk
School/Daycare
No
MCL Violations
10
Monitoring Violations
60
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 10 2002
Coliform (TCR) MR 7 2002
Consumer Confidence Rule Other 5 2013
Lead and Copper Rule TT 4 2018
Lead and Copper Rule MR 3 2012
Endrin MR 2 1993
BHC-GAMMA MR 2 1993
Methoxychlor MR 2 1993
Toxaphene MR 2 1993
OXAMYL MR 2 1993
Picloram MR 2 1993
Hexachlorocyclopentadiene MR 2 1993
Carbofuran MR 2 1993
Heptachlor epoxide MR 2 1993
2,4-D MR 2 1993
2,4,5-TP MR 2 1993
Aldicarb MR 2 1993
Total Polychlorinated Biphenyls (PCB) MR 2 1993
Pentachlorophenol MR 2 1993
Atrazine MR 2 1993
Dinoseb MR 2 1993
Dalapon MR 2 1993
Heptachlor MR 2 1993
Chlordane MR 2 1993
HEXACHLOROBENZENE MR 2 1993
Simazine MR 2 1993
LASSO MR 2 1993
Aldicarb sulfone MR 2 1993
Aldicarb sulfoxide MR 2 1993
2,3,7,8-TCDD MR 2 1999
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.