MECHANICSBURG, PA · Cumberland County

PA AMERICAN WATER CO WEST 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): PA7210029
System type: Community Water System
Population served: 105,127
Service connections: 41,820
Ownership: public/private mix
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
January 1, 2022 – March 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2022 – March 31, 2022
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2017 – January 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2016 – June 30, 2016
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1993 – July 31, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1991 – August 31, 1991
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
August 1, 1976 – July 31, 1980
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, 2022 – March 31, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2022 – March 31, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2019 – September 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 1993 – July 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
August 1, 1991 – August 31, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1976 – July 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

June 20, 2023State Public Notification received2 linked violations
July 18, 2022State Compliance achieved2 linked violations
July 18, 2022State Formal Notice of Violation issued2 linked violations
July 18, 2022State Public Notification requested2 linked violations
December 11, 2019State Compliance achieved1 linked violation
December 11, 2019State Violation/Reminder Notice1 linked violation
March 1, 2017State Violation/Reminder Notice1 linked violation
March 1, 2017State Compliance achieved1 linked violation
September 27, 2016State Compliance achieved1 linked violation
August 9, 2016State Violation/Reminder Notice1 linked violation
August 23, 2012Federal Compliance achieved1 linked violation
March 31, 2010Federal Final Administrative Order issued1 linked violation
July 23, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 8, 1982State Public Notification requestedgeneral 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
January 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

PA AMERICAN WATER CO WEST

717-774-2420

MECHANICSBURG, PA 17055