OVERTON, NV · Clark County

MOAPA VALLEY WATER DISTRICT Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Nevada’s official records. Always confirm current status with Nevada before making decisions based on this information.

System facts

System ID (PWSID): NV0000160
System type: Community Water System
Population served: 8,500
Service connections: 3,206
Ownership: local government
Water source: groundwater (wells)

Violation history

Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
February 1, 2025 – April 10, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2017 – November 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2016 – March 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
March 1, 2015 – February 28, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
March 1, 2014 – February 28, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
September 1, 1990 – November 30, 1990
Archived
Notification, Public
—
Coliform (Pre-TCR)
December 1, 1989 – February 28, 1990
Archived
Notification, Public
—
Coliform (Pre-TCR)
November 1, 1989 – January 31, 1990
Archived
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
October 1, 1989 – December 31, 1989
Archived
Notification, Public
—
Coliform (Pre-TCR)
September 30, 1987 – December 29, 1987
Archived
Notification, Public
—
Coliform (Pre-TCR)
December 31, 1986 – January 30, 1987
Archived
Notification, Public
—
Coliform (Pre-TCR)
November 30, 1986 – December 29, 1986
Archived
Notification, Public
—
Coliform (Pre-TCR)
September 30, 1986 – October 29, 1986
Archived
Notification, Public
—
Coliform (Pre-TCR)
June 30, 1986 – July 29, 1986
Archived
Notification, Public
—
Coliform (Pre-TCR)
November 30, 1985 – December 29, 1985
Archived
Notification, Public
—
Coliform (Pre-TCR)
November 30, 1984 – December 29, 1984
Archived
Notification, Public
—
Coliform (Pre-TCR)
October 31, 1984 – November 30, 1984
Archived
Notification, Public
—
Coliform (Pre-TCR)
August 31, 1984 – September 30, 1984
Archived
Notification, Public
—
Coliform (Pre-TCR)
May 30, 1984 – June 29, 1984
Archived
Notification, Public
—
Coliform (Pre-TCR)
February 29, 1984 – March 28, 1984
Archived
Notification, Public
—
Coliform (Pre-TCR)
November 30, 1983 – December 29, 1983
Archived
Notification, Public
—
Coliform (Pre-TCR)
October 31, 1983 – November 30, 1983
Archived
Notification, Public
—
Coliform (Pre-TCR)
May 31, 1983 – June 30, 1983
Archived
Notification, Public
—
Coliform (Pre-TCR)
August 31, 1982 – September 30, 1982
Archived
Notification, Public
—
Coliform (Pre-TCR)
May 30, 1982 – June 29, 1982
Archived
Notification, Public
—
Coliform (Pre-TCR)
February 28, 1982 – March 27, 1982
Archived
Notification, Public
—
Coliform (Pre-TCR)
December 31, 1981 – January 30, 1982
Archived
Notification, Public
—
Coliform (Pre-TCR)
October 31, 1981 – November 30, 1981
Archived
Notification, Public
—
Coliform (Pre-TCR)
December 31, 1980 – January 30, 1981
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
July 16, 1980 – October 15, 1980
Archived
Notification, Public
—
Coliform (Pre-TCR)
April 1, 1980 – April 30, 1980
Archived
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
October 18, 1978 – November 17, 1978
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
February 1, 2025 – April 10, 2025	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2017 – November 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Arsenic	—	Resolved
March 1, 2015 – February 28, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
March 1, 2014 – February 28, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 1, 2011 – September 30, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 1990 – November 30, 1990	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Archived
December 1, 1989 – February 28, 1990	Notification, Public	Coliform (Pre-TCR)	—	Archived
November 1, 1989 – January 31, 1990	Notification, Public	Coliform (Pre-TCR)	—	Archived
October 1, 1989 – December 31, 1989	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Archived
September 30, 1987 – December 29, 1987	Notification, Public	Coliform (Pre-TCR)	—	Archived
December 31, 1986 – January 30, 1987	Notification, Public	Coliform (Pre-TCR)	—	Archived
November 30, 1986 – December 29, 1986	Notification, Public	Coliform (Pre-TCR)	—	Archived
September 30, 1986 – October 29, 1986	Notification, Public	Coliform (Pre-TCR)	—	Archived
June 30, 1986 – July 29, 1986	Notification, Public	Coliform (Pre-TCR)	—	Archived
November 30, 1985 – December 29, 1985	Notification, Public	Coliform (Pre-TCR)	—	Archived
November 30, 1984 – December 29, 1984	Notification, Public	Coliform (Pre-TCR)	—	Archived
October 31, 1984 – November 30, 1984	Notification, Public	Coliform (Pre-TCR)	—	Archived
August 31, 1984 – September 30, 1984	Notification, Public	Coliform (Pre-TCR)	—	Archived
May 30, 1984 – June 29, 1984	Notification, Public	Coliform (Pre-TCR)	—	Archived
February 29, 1984 – March 28, 1984	Notification, Public	Coliform (Pre-TCR)	—	Archived
November 30, 1983 – December 29, 1983	Notification, Public	Coliform (Pre-TCR)	—	Archived
October 31, 1983 – November 30, 1983	Notification, Public	Coliform (Pre-TCR)	—	Archived
May 31, 1983 – June 30, 1983	Notification, Public	Coliform (Pre-TCR)	—	Archived
August 31, 1982 – September 30, 1982	Notification, Public	Coliform (Pre-TCR)	—	Archived
May 30, 1982 – June 29, 1982	Notification, Public	Coliform (Pre-TCR)	—	Archived
February 28, 1982 – March 27, 1982	Notification, Public	Coliform (Pre-TCR)	—	Archived
December 31, 1981 – January 30, 1982	Notification, Public	Coliform (Pre-TCR)	—	Archived
October 31, 1981 – November 30, 1981	Notification, Public	Coliform (Pre-TCR)	—	Archived
December 31, 1980 – January 30, 1981	Notification, Public	Coliform (Pre-TCR)	—	Archived
July 16, 1980 – October 15, 1980	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
April 1, 1980 – April 30, 1980	Notification, Public	Coliform (Pre-TCR)	—	Archived
October 18, 1978 – November 17, 1978	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Contact

DALLEY, LON

702-397-6893

OVERTON, NV 89040