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CATHAY CITY OF

North Dakota — Community Water System — PWSID: ND5200169

System Information

PWSIDND5200169
System NameCATHAY CITY 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

StateNorth Dakota
CityCATHAY
ZIP Code58422
Address232 1ST ST
OrganizationWIEDRICH, KATHY
Phone701-399-9527

Population & Service

Population Served43
Service Connections28

Drinking Water Violations (149)

This water system has 149 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
Sep 23, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Mar 12, 2025 — Lead and Copper Rule TT Yes No — TT — Resolved May 19, 2025 Lead and Copper Rule
Nov 17, 2024 — Public Notice Other No No — — — Resolved Mar 17, 2025 Public Notice Rule and Revised PN Rule
Nov 13, 2024 — Lead and Copper Rule MR No No — TT — Resolved May 19, 2025 Lead and Copper Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Jun 25, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Jun 25, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Jun 25, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Jun 25, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Jun 25, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Jun 25, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Jun 25, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Jun 25, 2025 Lead and Copper Rule Revisions
Oct 2, 2024 — Consumer Confidence Rule Other No No — — — Resolved Oct 28, 2024 Consumer Confidence Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Oct 23, 2024 Lead and Copper Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 25, 2023 — Lead and Copper Rule MR No No — TT — Resolved Apr 11, 2024 Lead and Copper Rule
Oct 2, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 23, 2023 Consumer Confidence Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2023 Revised Total Coliform Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Oct 23, 2023 Lead and Copper Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Oct 23, 2023 Lead and Copper Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Oct 23, 2023 Lead and Copper Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Oct 23, 2023 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 31, 2022 Lead and Copper Rule
Aug 1, 2022 Aug 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2022 Revised Total Coliform Rule
Aug 1, 2022 Aug 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2022 Revised Total Coliform Rule
Aug 1, 2022 Aug 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule

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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