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MOAPA VALLEY WATER DISTRICT

Nevada — Community Water System — PWSID: NV0000160

System Information

PWSIDNV0000160
System NameMOAPA VALLEY WATER DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 24, 1979
Last ReportedDec 19, 2025

Location & Contact

StateNevada
CityOVERTON
ZIP Code89040
Address601 N. Moapa Valley Blvd
OrganizationDALLEY, LON
Phone702-397-6893

Population & Service

Population Served8,500
Service Connections3,206

Drinking Water Violations (65)

This water system has 65 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, 2025 — Revised Total Coliform Rule RPT No No — — — Unaddressed — Revised Total Coliform Rule
Feb 1, 2025 — Revised Total Coliform Rule RPT No No — — — Unaddressed — Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2016 Arsenic Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2016 Arsenic Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2016 Arsenic Rule
Mar 1, 2015 Feb 28, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Feb 28, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2015 Feb 28, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Feb 28, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2015 Feb 28, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Feb 28, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2014 Feb 28, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Feb 28, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2014 Feb 28, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Feb 28, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2014 Feb 28, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Feb 28, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2014 Feb 28, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Feb 28, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Jul 1, 2011 Sep 30, 2011 Chlorine MR No No — 4.0 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2007 Total Coliform Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2007 Total Coliform Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2007 Total Coliform Rule
Oct 1, 2006 Oct 31, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2006 Total Coliform Rule
Oct 1, 2006 Oct 31, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2006 Total Coliform Rule
Oct 1, 2006 Oct 31, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2006 Total Coliform Rule
Jan 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 1990 Nov 30, 1990 Fluoride MCL Yes No 2.14 MG/L 4.0 mg/L — Archived Nov 30, 1990 Inorganic Chemicals
Apr 1, 1990 Jun 30, 1990 Fluoride MCL Yes No 2.14 MG/L 4.0 mg/L — Archived Jun 30, 1990 Inorganic Chemicals
Dec 1, 1989 Feb 28, 1990 Coliform (Pre-TCR) Other No No — — — Archived Feb 28, 1990 Total Coliform Rule
Nov 1, 1989 Jan 31, 1990 Coliform (Pre-TCR) Other No No — — — Archived Jan 31, 1990 Total Coliform Rule
Oct 1, 1989 Dec 31, 1989 Fluoride MCL Yes No 2.14 MG/L 4.0 mg/L — Archived Dec 31, 1989 Inorganic Chemicals
Aug 31, 1988 Nov 30, 1988 Coliform (Pre-TCR) Other No No — — — Archived Nov 30, 1988 Total Coliform Rule
Mar 31, 1988 Jun 30, 1988 Coliform (Pre-TCR) Other No No — — — Archived Jun 30, 1988 Total Coliform Rule
Sep 30, 1987 Dec 29, 1987 Coliform (Pre-TCR) Other No No — — — Archived Dec 29, 1987 Total Coliform Rule
Dec 31, 1986 Jan 30, 1987 Coliform (Pre-TCR) Other No No — — — Archived Jan 30, 1987 Total Coliform Rule
Nov 30, 1986 Dec 29, 1986 Coliform (Pre-TCR) Other No No — — — Archived Dec 29, 1986 Total Coliform Rule
Sep 30, 1986 Oct 29, 1986 Coliform (Pre-TCR) Other No No — — — Archived Oct 29, 1986 Total Coliform Rule
Jun 30, 1986 Jul 29, 1986 Coliform (Pre-TCR) Other No No — — — Archived Jul 29, 1986 Total Coliform Rule
Dec 31, 1985 Jan 30, 1986 Coliform (Pre-TCR) Other No No — — — Archived Jan 30, 1986 Total Coliform Rule
Nov 30, 1985 Dec 29, 1985 Coliform (Pre-TCR) Other No No — — — Archived Dec 29, 1985 Total Coliform Rule
Nov 30, 1984 Dec 29, 1984 Coliform (Pre-TCR) Other No No — — — Archived Dec 29, 1984 Total Coliform Rule
Oct 31, 1984 Nov 30, 1984 Coliform (Pre-TCR) Other No No — — — Archived Nov 30, 1984 Total Coliform Rule
Aug 31, 1984 Sep 30, 1984 Coliform (Pre-TCR) Other No No — — — Archived Sep 30, 1984 Total Coliform Rule
May 30, 1984 Jun 29, 1984 Coliform (Pre-TCR) Other No No — — — Archived Jun 29, 1984 Total Coliform 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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