DALMATIA, PA · Northumberland County
LOWER MAHANOY TWP MUN AUTH Water System
Consumer Confidence Report status
LOWER MAHANOY TWP MUN AUTH must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for LOWER MAHANOY TWP MUN AUTH.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- PA4490018
- System type
- Community Water System
- Population served
- 450
- Service connections
- 186
- Ownership
- privately owned
- Water source
- groundwater (wells)
LOWER MAHANOY TWP MUN AUTH is one of 3,064 community water systems in Pennsylvania in the 500 or fewer people size category, serving 450 people from groundwater.
As of August 1, 2026, its federal record holds 76 entries between 1982 and 2025, all of which EPA lists as closed.
Of the 76, 72 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, synthetic organic chemicals, and inorganic chemicals.
Violation history
Failure To Address Deficiency
Health-basedGroundwater Rule
May 16, 2025 – November 18, 2025
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
October 11, 2024 – January 13, 2025
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2023 – September 30, 2023
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2022 – January 15, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – January 15, 2025
ResolvedMonitoring, Regular
—Nitrate
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Nitrite
January 1, 2019 – December 31, 2019
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
June 1, 2018 – June 30, 2018
ResolvedMonitoring, Regular
—Simazine
October 1, 2011 – December 31, 2011
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2007 – September 30, 2007
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2007 – September 30, 2007
ResolvedMonitoring, Regular
—Atrazine
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1996 – October 31, 1996
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1996 – July 31, 1996
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1996 – February 29, 1996
ResolvedMonitoring, Regular
—Atrazine
July 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—Atrazine
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
November 1, 1992 – November 30, 1992
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1992 – February 29, 1992
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Benzene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Toluene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Styrene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Benzene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Toluene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Styrene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1990 – March 31, 1990
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1988 – June 30, 1992
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1984 – June 30, 1988
ArchivedMonitoring, Regular
—Toxaphene
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Mercury
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Fluoride
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Selenium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Cadmium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Methoxychlor
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Chromium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Arsenic
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Endrin
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Barium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—2,4-D
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—BHC-GAMMA
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Nitrate
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 |
|---|---|---|---|---|
| May 16, 2025 – November 18, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| October 11, 2024 – January 13, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2023 – September 30, 2023 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 1, 2022 – January 15, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2022 – January 15, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Nitrite | — | Resolved |
| June 1, 2018 – June 30, 2018 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| October 1, 2011 – December 31, 2011 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Atrazine | — | Resolved |
| October 1, 1996 – October 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1996 – July 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 1996 – February 29, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | Atrazine | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Atrazine | — | Resolved |
| November 1, 1992 – November 30, 1992 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 1992 – February 29, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1990 – March 31, 1990 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 1988 – June 30, 1992 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| July 1, 1984 – June 30, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Toxaphene | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Mercury | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Methoxychlor | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Arsenic | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Endrin | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | 2,4-D | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Nitrate | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- November 18, 2025State Public Notification received1 linked violation
- November 18, 2025State Compliance achieved1 linked violation
- June 26, 2025State Formal Notice of Violation issued1 linked violation
- June 26, 2025State Public Notification requested1 linked violation
- January 15, 2025State Public Notification received1 linked violation
- January 15, 2025State Compliance achieved2 linked violations
- January 15, 2025State Compliance achieved1 linked violation
- January 13, 2025State Compliance achieved1 linked violation
- November 8, 2023State Public Notification requested1 linked violation
- November 8, 2023State Formal Notice of Violation issued1 linked violation
- February 12, 2020State Violation/Reminder Notice2 linked violations
- February 12, 2020State Compliance achieved2 linked violations
- July 31, 2018State Violation/Reminder Notice1 linked violation
- July 31, 2018State Compliance achieved1 linked violation
- August 10, 2012State Violation/Reminder Notice1 linked violation
- August 10, 2012State Public Notification received1 linked violation
- August 10, 2012State Compliance achieved1 linked violation
- July 27, 2012State Public Notification requested1 linked violation
- July 27, 2012State Public Notification received1 linked violation
- July 27, 2012State Violation/Reminder Notice1 linked violation
- July 27, 2012State Compliance achieved1 linked violation
- February 21, 2012State Compliance achieved1 linked violation
- February 21, 2012State Compliance achieved1 linked violation
- February 21, 2012State Violation/Reminder Notice1 linked violation
- November 21, 2011State Public Notification requested1 linked violation
- November 21, 2011State Violation/Reminder Notice1 linked violation
- October 27, 2011State Violation/Reminder Notice1 linked violation
- February 12, 2008State Compliance achieved2 linked violations
- February 12, 2008State Public Notification received2 linked violations
- January 31, 2008State Public Notification requested2 linked violations
- December 18, 2007State Violation/Reminder Notice2 linked violations
- June 2, 2006State Compliance achieved1 linked violation
- July 30, 2003State Compliance achieved1 linked violation
- July 30, 2003State Public Notification received1 linked violation
- April 14, 2003State Public Notification requested1 linked violation
- November 8, 1995State Violation/Reminder Notice1 linked violation
- July 28, 1991State Boil Water Order3 linked violations
- May 8, 1990State Compliance Meeting conducted65 linked violations
- June 23, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- June 12, 1989State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
- September 8, 1988State Violation/Reminder Notice1 linked violation
- November 1, 1984State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- March 7, 1983State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
Common questions
Is LOWER MAHANOY TWP MUN AUTH required to publish a Consumer Confidence Report?
- Yes. LOWER MAHANOY TWP MUN AUTH is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is LOWER MAHANOY TWP MUN AUTH’s next Consumer Confidence Report due?
- LOWER MAHANOY TWP MUN AUTH’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LOWER MAHANOY TWP MUN AUTH have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for LOWER MAHANOY TWP MUN AUTH.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
LOWER MAHANOY TWP MUN AUTH
570-758-3615
DALMATIA, PA 17017