Drinking Water Compliance OS

THERESA, WI · Dodge County

THERESA 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)
WI1140154
System type
Community Water System
Population served
1,262
Service connections
569
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Benzene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Benzene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Toluene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Toluene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Styrene

    January 1, 1993 – December 31, 1993

    Archived

  • Monitoring, Regular

    —

    Endrin

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – December 29, 1993

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1993 – December 29, 1993

    Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

Contact

THERESA VILLAGE CLERK AND TREASURER - BECKY TELLIER

Phone not on record

THERESA, WI 53091-0327