BOULDER CITY, NV · Clark County

NPS CALLVILLE BAY 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): NV0002506
System type: Community Water System
Population served: 250
Service connections: 152
Ownership: federal government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Regular
—
Ethylbenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
November 1, 2023 – November 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2023 – October 31, 2023
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2021 – December 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2010 – March 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2009 – September 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2008 – September 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Nickel
January 1, 2001 – December 31, 2001
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2000 – September 30, 2003
Resolved
Notification, Public
—
Coliform (Pre-TCR)
December 31, 1986 – January 30, 1987
Archived
Notification, Public
—
Coliform (Pre-TCR)
February 28, 1985 – March 27, 1985
Archived
Notification, Public
—
Coliform (Pre-TCR)
April 30, 1982 – May 29, 1982
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
January 1, 2024 – December 31, 2024	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Xylenes, Total	—	Resolved
November 1, 2023 – November 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2023 – October 31, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nickel	—	Resolved
October 1, 2000 – September 30, 2003	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 31, 1986 – January 30, 1987	Notification, Public	Coliform (Pre-TCR)	—	Archived
February 28, 1985 – March 27, 1985	Notification, Public	Coliform (Pre-TCR)	—	Archived
April 30, 1982 – May 29, 1982	Notification, Public	Coliform (Pre-TCR)	—	Archived

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

Enforcement actions

November 24, 2025State Compliance achieved2 linked violations
March 3, 2025State Public Notification requested1 linked violation
March 3, 2025State Violation/Reminder Notice1 linked violation
March 3, 2025State Public Notification requested1 linked violation
March 3, 2025State Violation/Reminder Notice1 linked violation
June 28, 2024State Compliance achieved4 linked violations
May 31, 2024State Public Notification requested1 linked violation
May 31, 2024State Public Notification requested1 linked violation
May 31, 2024State Violation/Reminder Notice1 linked violation
May 31, 2024State Public Notification requested1 linked violation
May 31, 2024State Violation/Reminder Notice1 linked violation
May 31, 2024State Violation/Reminder Notice1 linked violation
May 16, 2024State Violation/Reminder Notice1 linked violation
May 16, 2024State Public Notification requested1 linked violation
March 16, 2022State Public Notification received5 linked violations
February 25, 2022State Public Notification requested4 linked violations
February 25, 2022State Violation/Reminder Notice1 linked violation
February 25, 2022State Public Notification requested1 linked violation
November 8, 2021State Public Notification requested4 linked violations
July 19, 2021State Compliance achieved2 linked violations
May 5, 2020State Public Notification requested2 linked violations
April 29, 2020State Compliance achieved2 linked violations
September 11, 2013State Compliance achieved2 linked violations
June 21, 2010State Compliance achieved8 linked violations
December 11, 2009State Public Notification received3 linked violations
February 3, 2009State Violation/Reminder Notice6 linked violations
February 3, 2009State Public Notification requested30 linked violations
November 13, 2008State Violation/Reminder Notice10 linked violations
August 15, 2007State Violation/Reminder Notice1 linked violation
July 26, 2006State Public Notification requested5 linked violations
July 16, 2006State Violation/Reminder Notice9 linked violations
May 11, 2005State Violation/Reminder Notice58 linked violations
February 9, 2005State Compliance achieved21 linked violations
June 13, 2002State Public Notification requested8 linked violations
April 20, 2002State Public Notification requested6 linked violations

Contact

BELL, H SCOTT

702-293-8739

BOULDER CITY, NV 89005