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PWS ID	NV0000350
PWS Name	FALLON NAVAL AIR STATION
PWS Type	Community water system
Owner Type	Federal government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	3000
County Served	Churchill

The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

Violations

Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	37519	Known	01-JAN-2024	31-DEC-2024	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	37518	Known	01-JAN-2024	31-DEC-2024	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	37513	Returned to Compliance	01-DEC-2018	31-DEC-2018	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	37514	Returned to Compliance	01-OCT-2018	31-DEC-2018	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	37512	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	37511	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	36703	Returned to Compliance	01-OCT-2002	31-DEC-2002	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	36603	Returned to Compliance	01-JUL-2002	30-SEP-2002	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	36503	Returned to Compliance	01-APR-2002	30-JUN-2002	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	36403	Returned to Compliance	01-JAN-2002	31-MAR-2002	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	36803	Returned to Compliance	01-OCT-2001	31-DEC-2001	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	34002	Returned to Compliance	01-JUL-2001	30-SEP-2001	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	34201	Returned to Compliance	01-APR-2001	30-JUN-2001	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	34101	Returned to Compliance	01-JAN-2001	31-MAR-2001	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	33901	Returned to Compliance	01-OCT-2000	31-DEC-2000	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	33801	Returned to Compliance	01-JUL-2000	30-SEP-2000	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	33700	Returned to Compliance	01-APR-2000	30-JUN-2000	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	33600	Returned to Compliance	01-JAN-2000	31-MAR-2000	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3099	Known	01-JUN-1999	30-JUN-1999	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	35302	Known	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	35402	Known	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	35602	Known	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	35702	Known	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	35502	Known	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	34802	Returned to Compliance	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	34902	Returned to Compliance	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	35002	Returned to Compliance	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	35202	Returned to Compliance	01-JAN-1999	31-DEC-2001	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	35102	Returned to Compliance	01-JAN-1999	31-DEC-2001	No
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	18601	Returned to Compliance	01-JAN-1998	31-DEC-1998	Yes
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	296	Returned to Compliance	01-OCT-1995	30-SEP-1996	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	292	Known	01-SEP-1992	30-SEP-1992	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	592	Known	01-FEB-1992	29-FEB-1992	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	492	Known	01-JAN-1992	31-JAN-1992	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	192	Known	01-OCT-1991	31-OCT-1991	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	191	Known	01-AUG-1991	31-AUG-1991	No

1 - 36 of 36

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
188326	37518	SIE	State Public Notification requested	03-MAR-2025	State	-
188326	37519	SIE	State Public Notification requested	03-MAR-2025	State	-
188319	37513	SIF	State Public Notification received	25-MAR-2019	State	CCR = PN
188320	37514	SIF	State Public Notification received	25-MAR-2019	State	-
188313	37511	SOX	State Compliance achieved	13-SEP-2016	State	SAMPLE TAKEN.
188313	37512	SOX	State Compliance achieved	13-SEP-2016	State	SAMPLE TAKEN.
188105	36703	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	34201	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	34101	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	34002	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	33901	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	33801	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	36403	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	36603	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	36503	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	296	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	18601	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	33600	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188105	33700	SOX	State Compliance achieved	15-APR-2005	State	RECEIVING TREATED WATER FROM CITY OF FALLON
188005	35002	SOX	State Compliance achieved	09-FEB-2005	State	-
188005	34902	SOX	State Compliance achieved	09-FEB-2005	State	-
188005	36803	SOX	State Compliance achieved	09-FEB-2005	State	-
188005	35202	SOX	State Compliance achieved	09-FEB-2005	State	-
188005	35102	SOX	State Compliance achieved	09-FEB-2005	State	-
188005	34802	SOX	State Compliance achieved	09-FEB-2005	State	-
186702	35602	SIF	State Public Notification received	13-JUN-2002	State	PN RCD 06132002
186702	35302	SIF	State Public Notification received	13-JUN-2002	State	PN RCD 06132002
186702	35502	SIF	State Public Notification received	13-JUN-2002	State	PN RCD 06132002
186702	35702	SIF	State Public Notification received	13-JUN-2002	State	PN RCD 06132002
186702	35402	SIF	State Public Notification received	13-JUN-2002	State	PN RCD 06132002

1 - 30 of 30

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC FROM CITY OF FALLON NV0000045	5328	Yes	Consecutive Connection	Ground water	Permanent	Active
WELL 2	950	Yes	Well	Ground water	Permanent	Active
WELL 1	498	Yes	Well	Ground water	Permanent	Active
WELL 3	1070	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	1379	No	Distribution System/Zone	-	-	Active
CC TO CITY OF FALLON NV0000045	5329	No	Other	-	-	Active
STORAGE TANK 1 500K FIRE	2644	No	Storage	-	-	Active
STORAGE TANK 2 500K FIRE	2645	No	Storage	-	-	Active
RATTLESNAKE HILL TANK 3 1MG 400K	4643	No	Storage	-	-	Active
GAS CHLORINATOR WELL 2	1019	No	Treatment Plant	-	-	Inactive
GAS CHLORINATOR WELL 3	1092	No	Treatment Plant	-	-	Inactive
GAS CHLORINATOR WELL 1	840	No	Treatment Plant	-	-	Inactive

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Treatment Processes

No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.

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