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Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	WI1220117
PWS Name	POTOSI WATERWORKS
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	718
County Served	Grant

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
TT	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Stage 1 Disinfectants and Disinfection Byproducts Rule	2400063	Returned to Compliance	01-MAR-2024	-	Yes
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	2400062	Returned to Compliance	01-JAN-2024	-	No
TT	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Stage 1 Disinfectants and Disinfection Byproducts Rule	1800052	Returned to Compliance	02-MAY-2018	-	Yes
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	1900054	Returned to Compliance	01-MAR-2018	31-MAR-2018	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	1800050	Returned to Compliance	01-JAN-2018	31-MAR-2018	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	1500047	Returned to Compliance	01-JAN-2015	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1300046	Returned to Compliance	01-JUL-2013	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	1600049	Returned to Compliance	01-JAN-2013	31-DEC-2015	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	1600048	Returned to Compliance	01-JAN-2013	31-DEC-2015	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	1200045	Returned to Compliance	01-JAN-2012	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	9800044	Returned to Compliance	01-NOV-1997	30-NOV-1997	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9600043	Returned to Compliance	01-MAY-1996	31-MAY-1996	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	9600042	Returned to Compliance	01-JAN-1996	31-JAN-1996	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	9500019	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	9500018	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	9500029	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	9500027	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	9500015	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	9500014	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	9500004	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	9500030	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	9500021	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	9500022	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	9500023	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	9500031	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	9500024	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	9500032	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	9500034	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	9500036	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	9500038	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	9500039	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	9500041	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	9500003	Returned to Compliance	01-JAN-1994	31-DEC-1994	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	9500037	Returned to Compliance	01-JAN-1994	31-DEC-1994	No

1 - 34 of 34

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
2400040	2400063	SOX	State Compliance achieved	19-MAR-2024	State	-
2400038	2400062	SOX	State Compliance achieved	08-JAN-2024	State	-
2000036	1800050	SIF	State Public Notification received	09-AUG-2018	State	-
1900034	1900054	SIF	State Public Notification received	09-AUG-2018	State	-
1800027	1800052	SIA	State Violation/Reminder Notice	01-JUN-2018	State	-
1500019	1500047	SOX	State Compliance achieved	26-JAN-2015	State	-
1500020	1200045	SOX	State Compliance achieved	26-JAN-2015	State	-
1600025	1600049	SOX	State Compliance achieved	25-SEP-2014	State	-
1600025	1600048	SOX	State Compliance achieved	25-SEP-2014	State	-
1300017	1300046	SOX	State Compliance achieved	14-AUG-2013	State	-
9800014	9800044	SOX	State Compliance achieved	19-DEC-1997	State	-
9700009	9600043	SIF	State Public Notification received	28-FEB-1997	State	-
9600005	9600042	SOX	State Compliance achieved	29-FEB-1996	State	-
9500002	9500022	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500027	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500029	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500030	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500031	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500032	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500034	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500036	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500037	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500038	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500039	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500041	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500021	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500019	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500018	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500015	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500014	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500004	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500003	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500023	SOX	State Compliance achieved	13-JUN-1995	State	-
9500002	9500024	SOX	State Compliance achieved	13-JUN-1995	State	-

1 - 34 of 34

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
BF881	1	Yes	Well	Ground water	Emergency	Inactive
BF882	2	Yes	Well	Ground water	Permanent	Active
12201178	12201178	No	Distribution System/Zone	-	-	Active
BF882	2T	No	Treatment Plant	-	-	Active
BF881	1T	No	Treatment Plant	-	-	Inactive

1 - 5 of 5

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
BF881	1T	Fluoridation	Other
BF881	1T	Hypochlorination, Post	Disinfection
BF882	2T	Hypochlorination, Post	Disinfection

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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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