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CUII - TWIN LAKES

Indiana — Community Water System — PWSID: IN5245046

System Information

PWSIDIN5245046
System NameCUII - TWIN LAKES
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 21, 1981
Last ReportedNov 14, 2025

Location & Contact

StateIndiana
CityDEMOTTE
ZIP Code46310
Address9317 St. Thomas Drive
OrganizationPETERS, TANYA
Phone219-252-4977

Population & Service

Population Served8,000
Service Connections1,683

Drinking Water Violations (44)

This water system has 44 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
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Archived Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 9, 2023 Revised Total Coliform Rule
Jan 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 9, 2023 Revised Total Coliform Rule
Jan 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 9, 2023 Revised Total Coliform Rule
Nov 11, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 14, 2021 Revised Total Coliform Rule
Nov 11, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 14, 2021 Revised Total Coliform Rule
Nov 11, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 14, 2021 Revised Total Coliform Rule
Nov 11, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 14, 2021 Revised Total Coliform Rule
Apr 1, 2001 Jun 30, 2001 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Jun 30, 2001 Synthetic Organic Chemicals
Apr 1, 2001 Jun 30, 2001 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Jun 30, 2001 Synthetic Organic Chemicals
Apr 1, 2001 Jun 30, 2001 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Jun 30, 2001 Synthetic Organic Chemicals
Oct 1, 1999 Dec 31, 1999 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 1999 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 LASSO MR No Yes — — — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 LASSO MR No Yes — — — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 LASSO MR No Yes — — — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 2,4-D MR No Yes — 0.07 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 2,4-D MR No Yes — 0.07 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Apr 1, 1998 Jun 30, 1998 2,4-D MR No Yes — 0.07 mg/L — Resolved Jun 30, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 LASSO MR No Yes — — — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 LASSO MR No Yes — — — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 LASSO MR No Yes — — — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 1998 Synthetic Organic Chemicals
Jul 9, 1987 Jul 8, 1991 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived Jul 8, 1991 Radionuclides and Revised Rad Rule
Jun 30, 1980 Sep 29, 1980 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived Sep 29, 1980 Radionuclides and Revised Rad Rule
— — — No No — — — — — —

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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