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The Water Company

MP — Community Water System — PWSID: MP0000063

System Information

PWSIDMP0000063
System NameThe Water Company
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerYes
First ReportedJan 19, 2002
Last ReportedDec 19, 2025

Location & Contact

StateMP
CitySAIPAN
ZIP Code96950
AddressP.O. BOX 501610
OrganizationThe Water Company
Phone6703227251

Population & Service

Population Served310
Service Connections1

Drinking Water Violations (286)

This water system has 286 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
Feb 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 16, 2023 Revised Total Coliform Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Dec 9, 2022 — Groundwater Rule TT Yes No — — — Resolved Feb 16, 2023 Ground Water Rule
Jan 1, 2022 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Jan 1, 2020 Dec 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Jan 1, 2017 Dec 31, 2022 Combined Uranium MR No Yes — 30 ug/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2022 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2022 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Aug 30, 2013 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Sep 12, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2007 Dec 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2007 Total Coliform Rule
Oct 1, 2007 Oct 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2007 Total Coliform Rule
Sep 1, 2007 Sep 30, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2007 Total Coliform Rule
Jan 1, 2007 Mar 24, 2008 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Barium MR No Yes — 2 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Barium MR No Yes — 2 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 24, 2008 Arsenic Rule
Jan 1, 2007 Mar 24, 2008 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 24, 2008 Arsenic Rule
Jan 1, 2007 Mar 24, 2008 Endothall MR No Yes — 0.1 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Endothall MR No Yes — 0.1 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Endothall MR No Yes — 0.1 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Cadmium MR No Yes — 0.005 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Chromium MR No Yes — 0.1 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 CYANIDE MR No Yes — 0.2 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Chromium MR No Yes — 0.1 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Glyphosate MR No Yes — 0.7 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Mercury MR No Yes — 0.002 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Mercury MR No Yes — 0.002 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Mercury MR No Yes — 0.002 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Chromium MR No Yes — 0.1 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 24, 2008 Synthetic Organic Chemicals
Jan 1, 2007 Mar 24, 2008 Selenium MR No Yes — 0.05 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Selenium MR No Yes — 0.05 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Selenium MR No Yes — 0.05 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Mar 24, 2008 Inorganic Chemicals
Jan 1, 2007 Mar 24, 2008 Cadmium MR No Yes — 0.005 mg/L — Resolved Mar 24, 2008 Inorganic 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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