WILLIAMSPORT, PA · Lycoming County
WILLIAMSPORT MUN WATER AUTH Water System
Consumer Confidence Report status
WILLIAMSPORT MUN WATER 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 WILLIAMSPORT MUN WATER 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)
- PA4410173
- System type
- Community Water System
- Population served
- 51,000
- Service connections
- 18,558
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
WILLIAMSPORT MUN WATER AUTH is one of 175 community water systems in Pennsylvania in the 10,001 to 100,000 people size category, serving 51,000 people from surface water.
As of August 1, 2026, its federal record holds 28 entries between 1982 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.
Of the 28, 27 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, inorganic chemicals, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2018 – December 31, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2018 – December 31, 2018
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Benzene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Toluene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Xylenes, Total
October 1, 2012 – December 31, 2012
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 1985 – September 30, 1985
ArchivedMonitoring, Regular
—Cadmium
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Arsenic
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Selenium
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Mercury
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Barium
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Endrin
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 |
|---|---|---|---|---|
| October 1, 2018 – December 31, 2018 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 1985 – September 30, 1985 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Cadmium | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Arsenic | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Selenium | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Mercury | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Endrin | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- December 21, 2020State Compliance achieved2 linked violations
- January 10, 2020State Violation/Reminder Notice2 linked violations
- January 10, 2020State Violation/Reminder Notice2 linked violations
- December 13, 2019State Public Notification received2 linked violations
- December 13, 2019State Compliance achieved2 linked violations
- December 13, 2019State Violation/Reminder Notice1 linked violation
- December 13, 2019State Public Notification requested1 linked violation
- April 5, 2019State Public Notification requested1 linked violation
- April 5, 2019State Violation/Reminder Notice1 linked violation
- May 20, 2013State Compliance achieved20 linked violations
- September 5, 1989State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 20, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- August 15, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 15, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- June 15, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- December 22, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- December 22, 1987State Bilateral Compliance Agreement signedgeneral compliance action — not tied to a specific violation on record
- October 5, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- August 27, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 6, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- June 1, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- October 6, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 24, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 10, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- August 6, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- October 2, 1985State Public Notification received4 linked violations
- September 2, 1985State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- August 10, 1985State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 2, 1985State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 2, 1985State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- June 2, 1985State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- May 2, 1985State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 5, 1984State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 30, 1983Federal issued Formal Notice of Violationgeneral 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
- June 19, 1981State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
Common questions
Is WILLIAMSPORT MUN WATER AUTH required to publish a Consumer Confidence Report?
- Yes. WILLIAMSPORT MUN WATER 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 WILLIAMSPORT MUN WATER AUTH’s next Consumer Confidence Report due?
- WILLIAMSPORT MUN WATER AUTH’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WILLIAMSPORT MUN WATER AUTH have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WILLIAMSPORT MUN WATER 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
WILLIAMSPORT MUN WATER AUTH
570-323-6140
WILLIAMSPORT, PA 17701