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PWS ID	NE3110102
PWS Name	OGALLALA, CITY OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	4878
County Served	Keith

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
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	503011	Returned to Compliance	01-JUN-2010	30-JUN-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	503010	Returned to Compliance	01-DEC-2009	31-DEC-2009	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	502909	Returned to Compliance	01-AUG-2009	31-AUG-2009	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	502806	Returned to Compliance	01-AUG-2006	31-AUG-2006	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	502406	Returned to Compliance	01-OCT-2005	31-OCT-2005	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	502205	Returned to Compliance	01-AUG-2005	31-AUG-2005	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	502305	Returned to Compliance	01-AUG-2005	31-AUG-2005	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	502004	Returned to Compliance	01-OCT-2003	31-OCT-2003	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	501803	Returned to Compliance	01-SEP-2003	30-SEP-2003	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	501703	Returned to Compliance	01-SEP-2003	30-SEP-2003	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	501501	Returned to Compliance	01-SEP-2001	30-SEP-2001	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	501401	Returned to Compliance	01-APR-2001	30-APR-2001	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	501301	Returned to Compliance	01-NOV-2000	30-NOV-2000	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	501299	Returned to Compliance	01-SEP-1999	30-SEP-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	501199	Returned to Compliance	01-AUG-1999	31-AUG-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	485299	Returned to Compliance	01-JUN-1999	30-JUN-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	108699	Returned to Compliance	01-NOV-1998	30-NOV-1998	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	428998	Returned to Compliance	01-SEP-1998	30-SEP-1998	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	422398	Returned to Compliance	01-AUG-1998	31-AUG-1998	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	405695	Returned to Compliance	01-JUL-1995	31-JUL-1995	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	28191	Known	01-AUG-1991	31-AUG-1991	Yes
MCL	Maximum Contaminant Level Violation, Average	Volatile Organic Chemicals	Trichloroethylene	2890	Known	01-OCT-1989	31-DEC-1989	Yes

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
1983431	503011	SOX	State Compliance achieved	30-JUN-2011	State	Administrative RTC
1983430	503010	SOX	State Compliance achieved	31-DEC-2010	State	Administrative RTC
1983429	502909	SOX	State Compliance achieved	31-AUG-2010	State	Administrative RTC
1983428	502806	SOX	State Compliance achieved	31-AUG-2007	State	Administrative RTC
1983427	502406	SOX	State Compliance achieved	31-OCT-2006	State	Administrative RTC
1983426	502305	SOX	State Compliance achieved	31-AUG-2006	State	Administrative RTC
1983425	502205	SOX	State Compliance achieved	31-AUG-2006	State	Administrative RTC
1983424	502004	SOX	State Compliance achieved	30-OCT-2004	State	Administrative RTC
1983422	501803	SOX	State Compliance achieved	29-SEP-2004	State	Administrative RTC
1983423	501703	SOX	State Compliance achieved	29-SEP-2004	State	Administrative RTC
1983421	501501	SOX	State Compliance achieved	30-SEP-2002	State	Administrative RTC
1983420	501401	SOX	State Compliance achieved	30-APR-2002	State	Administrative RTC
1983419	501301	SOX	State Compliance achieved	30-NOV-2001	State	Administrative RTC
1462100	501199	SOX	State Compliance achieved	04-MAY-2000	State	-
1462100	485299	SOX	State Compliance achieved	04-MAY-2000	State	-
1462100	428998	SOX	State Compliance achieved	04-MAY-2000	State	-
1462100	108699	SOX	State Compliance achieved	04-MAY-2000	State	-
1462100	501299	SOX	State Compliance achieved	04-MAY-2000	State	-
1462100	422398	SOX	State Compliance achieved	04-MAY-2000	State	-
1983418	405695	SOX	State Compliance achieved	30-JUL-1996	State	Administrative RTC
63993	2890	SFL	State Administrative/Compliance Order without penalty issued	11-FEB-1993	State	-
66091	28191	SIF	State Public Notification received	23-AUG-1991	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
TEST WELL 20091	13186	Yes	Well	Ground water	Other	Inactive
WELL 20091	14292	Yes	Well	Ground water	Permanent	Inactive
WELL 20131	8703	Yes	Well	Ground water	Permanent	Active
WELL 645	3201	Yes	Well	Ground water	Permanent	Active
WELL 644	3200	Yes	Well	Ground water	Permanent	Active
WELL 941	2000	Yes	Well	Ground water	Permanent	Active
WELL 942	1991	Yes	Well	Ground water	Permanent	Active
WELL 943	1975	Yes	Well	Ground water	Permanent	Active
WELL 20181	15325	Yes	Well	Ground water	Permanent	Active
WELL 20039	11538	Yes	Well	Ground water	Permanent	Active
WELL 20038	11537	Yes	Well	Ground water	Permanent	Active
WELL 642	5810	Yes	Well	Ground water	Other	Inactive
WELL 391	3675	Yes	Well	Ground water	Other	Inactive
WELL 601	3312	Yes	Well	Ground water	Other	Inactive
WELL 631	3249	Yes	Well	Ground water	Other	Inactive
WELL 641	3195	Yes	Well	Ground water	Other	Inactive
WELL 681	3067	Yes	Well	Ground water	Other	Inactive
WELL 741	2795	Yes	Well	Ground water	Other	Inactive
WELL 944	1976	Yes	Well	Ground water	Other	Inactive
TEST WELL 20111	13742	Yes	Well	Ground water	Other	Inactive
TEST WELL 20092	13340	Yes	Well	Ground water	Other	Inactive
LOW DISTRIBUTION SYSTEM	1667	No	Distribution System/Zone	-	-	Active
HIGH DISTRIBUTION SYSTEM	11270	No	Other	-	-	Active
WELL 20038 (REMOVED)	10734	No	Other	-	-	Inactive
WELL 20039 (REMOVED)	10735	No	Other	-	-	Inactive
PRESSURE REDUCING STATION	12832	No	Pressure Control	-	-	Active
POE 011	5991	No	Sampling Station	-	-	Active
POE 012	11551	No	Sampling Station	-	-	Inactive
NORTH TOWER	6017	No	Storage	-	-	Active
GROUND LEVEL RESERVOIR	6018	No	Storage	-	-	Active
SOUTH TOWER	8778	No	Storage	-	-	Active
WELL 20181T FLUORIDE	15488	No	Treatment Plant	-	-	Active
WELL 941T FLUORIDE	6019	No	Treatment Plant	-	-	Active
WELL 942T FLUORIDE	6021	No	Treatment Plant	-	-	Active
WELL 943T FLUORIDE	6022	No	Treatment Plant	-	-	Active
WELL 644T FLUORIDE	6023	No	Treatment Plant	-	-	Active
WELL 645T FLUORIDE	6024	No	Treatment Plant	-	-	Active
WELL 944T CHLORINATION	6020	No	Treatment Plant	-	-	Inactive
681 TREATMENT	6025	No	Treatment Plant	-	-	Inactive
TREATMENT PLANT 002	8780	No	Treatment Plant	-	-	Inactive
TREATMENT PLANT 001	8781	No	Treatment Plant	-	-	Inactive

1 - 41 of 41

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
WELL 20181T FLUORIDE	15488	Fluoridation	Other
WELL 941T FLUORIDE	6019	Fluoridation	Other
WELL 944T CHLORINATION	6020	Fluoridation	Other
WELL 942T FLUORIDE	6021	Fluoridation	Other
WELL 943T FLUORIDE	6022	Fluoridation	Other
WELL 644T FLUORIDE	6023	Fluoridation	Other
WELL 645T FLUORIDE	6024	Fluoridation	Other
681 TREATMENT	6025	Fluoridation	Other
TREATMENT PLANT 002	8780	Fluoridation	Other
TREATMENT PLANT 001	8781	Fluoridation	Other

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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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