Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	PA4310016
PWS Name	MT UNION MUNICIPAL AUTH
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	5801
County Served	Huntingdon

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 of Treatment (SWTR-Unfilt/GWR)	Ground Water Rule	Groundwater Rule	2518290	Returned to Compliance	01-APR-2025	30-APR-2025	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	2423777	Returned to Compliance	01-AUG-2024	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	2423776	Returned to Compliance	01-APR-2024	30-JUN-2024	Yes
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	2418713	Returned to Compliance	01-APR-2024	30-APR-2024	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	2416477	Returned to Compliance	01-MAR-2024	31-MAR-2024	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	2337766	Returned to Compliance	23-OCT-2023	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	2337765	Returned to Compliance	01-JUL-2023	30-SEP-2023	Yes
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	2326864	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring of Treatment (SWTR-Unfilt/GWR)	Ground Water Rule	Groundwater Rule	2224962	Returned to Compliance	01-MAY-2022	31-MAY-2022	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	2232625	Returned to Compliance	01-APR-2022	30-JUN-2022	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	2309002	Returned to Compliance	01-JAN-2022	31-DEC-2022	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	2309001	Returned to Compliance	01-JAN-2022	31-DEC-2022	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	2215952	Returned to Compliance	01-JAN-2022	31-JAN-2022	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	2203263	Returned to Compliance	01-NOV-2021	30-NOV-2021	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	2128499	Returned to Compliance	01-JUL-2021	31-JUL-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	2208315	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	2208314	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	2208317	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	2208312	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	2208311	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	2208309	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	2208308	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	2208307	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	2208318	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	2208310	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	2208316	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	2208313	Returned to Compliance	01-JAN-2021	31-DEC-2021	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	2044842	Returned to Compliance	01-JUL-2020	30-SEP-2020	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	2042602	Returned to Compliance	01-JUL-2020	30-SEP-2020	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	1937971	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1932391	Returned to Compliance	01-JUL-2019	-	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	1937992	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	1937991	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	1937990	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	1937989	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	1937988	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	1937987	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	1937986	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	1937985	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	1937984	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	1937983	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	1937982	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	1937981	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	1937980	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	1937979	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	1937978	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	1937977	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	1937976	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	1937972	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	1937975	Returned to Compliance	01-JUL-2019	30-SEP-2019	No

1 - 50 of 506

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
25182902003	2518290	SOX	State Compliance achieved	27-MAY-2025	State	-
242686481038	2326864	SOX	State Compliance achieved	20-AUG-2024	State	-
242377686009	2423776	SOX	State Compliance achieved	01-AUG-2024	State	-
242377686009	2423777	SOX	State Compliance achieved	01-AUG-2024	State	-
241871386007	2418713	SOX	State Compliance achieved	23-MAY-2024	State	-
241647787006	2416477	SOX	State Compliance achieved	03-MAY-2024	State	-
243776581054	2337765	SOX	State Compliance achieved	23-OCT-2023	State	-
243776581054	2337766	SOX	State Compliance achieved	23-OCT-2023	State	-
230900182001	2309001	SOX	State Compliance achieved	20-JUN-2023	State	-
230900182001	2309002	SOX	State Compliance achieved	20-JUN-2023	State	-
230326375001	2203263	SOX	State Compliance achieved	31-MAR-2023	State	-
230326375001	2215952	SOX	State Compliance achieved	31-MAR-2023	State	-
220830774002	2208311	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208317	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208307	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208308	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208309	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208310	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208318	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208312	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208313	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208314	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208315	SOX	State Compliance achieved	06-SEP-2022	State	-
220830774002	2208316	SOX	State Compliance achieved	06-SEP-2022	State	-
223262574017	2232625	SOX	State Compliance achieved	01-AUG-2022	State	-
222496274016	2224962	SOX	State Compliance achieved	07-JUL-2022	State	-
212849968002	2128499	SOX	State Compliance achieved	14-SEP-2021	State	-
214260261002	2044842	SIF	State Public Notification received	16-JUN-2021	State	-
214260262002	2042602	SOX	State Compliance achieved	16-JUN-2021	State	-
203793957001	1937939	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937992	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937941	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937942	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937943	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937944	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937945	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937946	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937947	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937948	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937949	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937950	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937951	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937952	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937953	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937954	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937955	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937956	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937957	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937958	SIF	State Public Notification received	29-MAY-2020	State	-
203793957001	1937959	SIF	State Public Notification received	29-MAY-2020	State	-

1 - 50 of 497

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WEST LICKING CK	001	Yes	Intake	Surface water	Other	Inactive
WELL 3 LEMPKELDE	006	Yes	Well	Ground water	Permanent	Active
WELL #2	005	Yes	Well	Ground water	Permanent	Active
WELL #1	004	Yes	Well	Ground water	Permanent	Active
DARK HOLLOW CK	003	Yes	Intake	Surface water	Other	Inactive
SINGERS GAP	002	Yes	Intake	Surface water	Permanent	Active
SINGERS GAP	102	No	Sampling Station	-	-	Active
WELLS TRTMNT BLDG	104	No	Sampling Station	-	-	Active
LEMPKELDE WELL	105	No	Sampling Station	-	-	Active
LICKING CRK TRT BLDG	101	No	Sampling Station	-	-	Inactive
SINGER GAP PLT	302	No	Treatment Plant	-	-	Active
FCI WELLS TRMT BLDG	303	No	Treatment Plant	-	-	Active
LEMPKELDE WELL	305	No	Treatment Plant	-	-	Active
LICKING CRK	301	No	Treatment Plant	-	-	Inactive

1 - 14 of 14

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
SINGER GAP PLT	302	pH Adjustment, Pre	Particulate removal
SINGER GAP PLT	302	Coagulation	Particulate removal
SINGER GAP PLT	302	Flocculation	Particulate removal
SINGER GAP PLT	302	Sedimentation	Particulate removal
SINGER GAP PLT	302	Filtration, Rapid Sand	Particulate removal
SINGER GAP PLT	302	Hypochlorination, Post	Disinfection
SINGER GAP PLT	302	pH Adjustment	Corrosion control
SINGER GAP PLT	302	Iodine	Corrosion control
SINGER GAP PLT	302	Inhibitor, Polyphosphate	Corrosion control
FCI WELLS TRMT BLDG	303	Hypochlorination, Post	Disinfection
FCI WELLS TRMT BLDG	303	4-Log Treatment of Viruses	Disinfection
LEMPKELDE WELL	305	Hypochlorination, Post	Disinfection
LEMPKELDE WELL	305	4-Log Treatment of Viruses	Disinfection

1 - 13 of 13

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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