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MANHATTAN TOWN OF

Montana — Community Water System — PWSID: MT0000285

System Information

PWSIDMT0000285
System NameMANHATTAN TOWN OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityMANHATTAN
ZIP Code59741
AddressPO BOX 96
OrganizationHUMPHREY, PAM
Phone406-284-3235

Population & Service

Population Served1,800
Service Connections906

Drinking Water Violations (221)

This water system has 221 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, 2021 Mar 31, 2021 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 LASSO MR No Yes — — — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 LASSO MR No Yes — — — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 LASSO MR No Yes — — — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 LASSO MR No Yes — — — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2021 Synthetic Organic Chemicals
Jan 1, 2021 Mar 31, 2021 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2021 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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