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MIDDLETON WATERWORKS

Wisconsin — Community Water System — PWSID: WI1130242

System Information

PWSIDWI1130242
System NameMIDDLETON WATERWORKS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerYes
First ReportedJan 28, 1981
Last ReportedDec 17, 2025

Location & Contact

StateWisconsin
CityMIDDLETON
ZIP Code53562-3118
Address7426 HUBBARD AVE
OrganizationMIDDLETON CITY CLERK - LORIE BURNS
Phone—

Population & Service

Population Served23,868
Service Connections8,840

Drinking Water Violations (98)

This water system has 98 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Oct 21, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved May 29, 2025 Lead and Copper Rule Revisions
Jan 1, 2023 Dec 31, 2023 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Picloram MR No Yes — 0.5 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Toxaphene MR No Yes — 0.003 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Toxaphene MR No Yes — 0.003 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Toxaphene MR No Yes — 0.003 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Toxaphene MR No Yes — 0.003 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 LASSO MR No Yes — — — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 LASSO MR No Yes — — — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 LASSO MR No Yes — — — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 LASSO MR No Yes — — — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Picloram MR No Yes — 0.5 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endrin MR No Yes — 0.002 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endrin MR No Yes — 0.002 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endrin MR No Yes — 0.002 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endrin MR No Yes — 0.002 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Diquat MR No Yes — 0.02 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 OXAMYL MR No Yes — 0.2 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 OXAMYL MR No Yes — 0.2 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 OXAMYL MR No Yes — 0.2 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 OXAMYL MR No Yes — 0.2 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Atrazine MR No Yes — 0.003 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Atrazine MR No Yes — 0.003 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Atrazine MR No Yes — 0.003 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Atrazine MR No Yes — 0.003 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Carbofuran MR No Yes — 0.04 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Carbofuran MR No Yes — 0.04 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Carbofuran MR No Yes — 0.04 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endothall MR No Yes — 0.1 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endothall MR No Yes — 0.1 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endothall MR No Yes — 0.1 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Picloram MR No Yes — 0.5 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Picloram MR No Yes — 0.5 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Aldicarb sulfoxide MR No Yes — — — Resolved Nov 14, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Nov 14, 2023 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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