MILLERSBURG, PA · Dauphin County

MILLERSBURG WATER AUTH 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 Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.

System facts

System ID (PWSID): PA7220034
System type: Community Water System
Population served: 4,600
Service connections: 1,978
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Regular
—
Endrin
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
LASSO
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2023 – November 13, 2023
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2023 – November 13, 2023
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2021 – March 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2019 – September 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Simazine
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
LASSO
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Endrin
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Simazine
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
LASSO
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
Endrin
January 1, 2017 – November 2, 2017
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2017 – November 2, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2011 – December 31, 2011
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2010 – August 31, 2010
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2005 – December 31, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – September 30, 2003
Resolved
Monitoring, Regular
—
Styrene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Benzene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Toluene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1992 – November 30, 1992
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1991 – April 30, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1991 – March 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1991 – February 28, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1991 – January 31, 1991
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
June 25, 1988 – June 24, 1989
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1982 – June 23, 1985
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, 2023 – November 13, 2023	Monitoring, Regular	Endrin	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	LASSO	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Simazine	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	LASSO	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Endrin	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Simazine	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	LASSO	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	Endrin	—	Resolved
January 1, 2017 – November 2, 2017	Monitoring, Regular	BHC-GAMMA	—	Resolved
December 1, 2011 – December 31, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2011 – March 31, 2011	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrate	—	Resolved
August 1, 2010 – August 31, 2010	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2005 – December 31, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2003 – September 30, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Styrene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Benzene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Toluene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
November 1, 1992 – November 30, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 1991 – April 30, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1991 – March 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1991 – February 28, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1991 – January 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 25, 1988 – June 24, 1989	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	BHC-GAMMA	—	Archived

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

Enforcement actions

November 13, 2023State Compliance achieved11 linked violations
November 8, 2023State Violation/Reminder Notice11 linked violations
May 12, 2021State Compliance achieved1 linked violation
May 12, 2021State Violation/Reminder Notice1 linked violation
March 30, 2020State Public Notification received2 linked violations
November 6, 2019State Compliance achieved2 linked violations
November 6, 2019State Formal Notice of Violation issued2 linked violations
November 6, 2019State Public Notification requested2 linked violations
November 2, 2017State Violation/Reminder Notice24 linked violations
November 2, 2017State Compliance achieved24 linked violations
February 1, 2012State Formal Notice of Violation issued4 linked violations
February 1, 2012State Compliance achieved4 linked violations
November 4, 2011State Compliance achieved1 linked violation
July 5, 2011State Public Notification received1 linked violation
May 4, 2011State Compliance achieved1 linked violation
May 4, 2011State Formal Notice of Violation issued1 linked violation
October 20, 2010State Formal Notice of Violation issued1 linked violation
October 20, 2010State Public Notification requested1 linked violation
November 3, 2006State Compliance achieved2 linked violations
June 14, 2006State Public Notification received1 linked violation
June 14, 2006State Violation/Reminder Notice1 linked violation
June 14, 2006State Compliance achieved1 linked violation
September 30, 2003State Violation/Reminder Notice1 linked violation
September 30, 2003State Compliance achieved1 linked violation
February 27, 1991State Technical Assistance Visit1 linked violation
December 13, 1990State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
June 3, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
March 19, 1981State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

MILLERSBURG WATER AUTH

717-692-4711

MILLERSBURG, PA 17061