Drinking Water Compliance OS

MERRILL, WI · Lincoln County

MERRILL WATERWORKS Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.

System facts

System ID (PWSID)
WI7350123
System type
Community Water System
Population served
9,661
Service connections
4,096
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1994 – August 31, 1994

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1993 – July 7, 1993

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1993 – July 7, 1993

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

CITY OF MERRILL- UTILITY MANAGER

Phone not on record

MERRILL, WI 54452