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AVOCA WATERWORKS

Wisconsin — Community Water System — PWSID: WI1250074

System Information

PWSIDWI1250074
System NameAVOCA WATERWORKS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 28, 1981
Last ReportedDec 17, 2025

Location & Contact

StateWisconsin
CityAVOCA
ZIP Code53506
Address401 WISCONSIN STREET
OrganizationAVOCA VILLAGE CLERK ATTN LIZ WILKINSON
Phone—

Population & Service

Population Served637
Service Connections235

Drinking Water Violations (66)

This water system has 66 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 TT Yes No — — — Resolved Jun 5, 2025 Lead and Copper Rule Revisions
Jul 16, 2024 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Aug 1, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Jul 16, 2013 Consumer Confidence Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jul 12, 2012 Consumer Confidence Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2004 Total Coliform Rule
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2004 Total Coliform Rule
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2004 Total Coliform Rule
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2004 Total Coliform Rule
Jul 1, 1993 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 1993 Lead and Copper Rule
Jan 1, 1993 Dec 31, 1993 Aldicarb sulfone MR No Yes — — — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Picloram MR No Yes — 0.5 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Endrin MR No Yes — 0.002 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Endrin MR No Yes — 0.002 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Dalapon MR No Yes — 0.2 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 2,4-D MR No Yes — 0.07 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 2,4-D MR No Yes — 0.07 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 OXAMYL MR No Yes — 0.2 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 OXAMYL MR No Yes — 0.2 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Dalapon MR No Yes — 0.2 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Aldicarb sulfone MR No Yes — — — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Chlordane MR No Yes — 0.002 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Chlordane MR No Yes — 0.002 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Atrazine MR No Yes — 0.003 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Atrazine MR No Yes — 0.003 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Toxaphene MR No Yes — 0.003 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Toxaphene MR No Yes — 0.003 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Aldicarb MR No Yes — — — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Picloram MR No Yes — 0.5 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Dinoseb MR No Yes — 0.007 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Dinoseb MR No Yes — 0.007 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Aldicarb sulfoxide MR No Yes — — — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Aldicarb sulfoxide MR No Yes — — — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Carbofuran MR No Yes — 0.04 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Carbofuran MR No Yes — 0.04 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Sep 23, 1993 Synthetic Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Aldicarb MR No Yes — — — Resolved Sep 23, 1993 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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