HUMMELSTOWN, PA · Dauphin County
PA AMER WATER CO 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)
- PA7220017
- System type
- Community Water System
- Population served
- 50,200
- Service connections
- 20,279
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2018 – September 30, 2018
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2011 – June 30, 2011
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2011 – June 30, 2011
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
September 1, 1994 – September 28, 1994
ResolvedMonitoring, 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 |
|---|---|---|---|---|
| September 1, 2018 – September 30, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2011 – June 30, 2011 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2011 – June 30, 2011 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| September 1, 1994 – September 28, 1994 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| 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
- October 29, 2018State Compliance achieved1 linked violation
- October 29, 2018State Violation/Reminder Notice1 linked violation
- September 5, 2012Federal Compliance achieved1 linked violation
- August 8, 2011State Violation/Reminder Notice2 linked violations
- August 8, 2011State Compliance achieved2 linked violations
- April 27, 2010Federal Final Administrative Order issued1 linked violation
- June 7, 1988State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- April 28, 1986State Compliance achievedgeneral compliance action — not tied to a specific violation on record
Contact
PA AMER WATER CO
717-533-5627
HUMMELSTOWN, PA 17036