TWIN ROCKS, PA · Cambria County
TWIN ROCKS WATER AUTH Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of November 30, 1999. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Cambria County, PA.
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)
- PA4110029
- System type
- Community Water System
- Population served
- 720
- Service connections
- 240
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Regular
—Tetrachloroethylene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—Vinyl chloride
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—o-Dichlorobenzene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—Benzene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—Carbon tetrachloride
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—Styrene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—Ethylbenzene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—Toluene
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—CHLOROBENZENE
July 1, 1990 – September 30, 1990
ResolvedMonitoring, Regular
—Nitrate
June 27, 1989 – June 26, 1990
ResolvedMonitoring, Regular
—Arsenic
June 27, 1989 – June 26, 1990
ResolvedMonitoring, Regular
—Barium
June 27, 1989 – June 26, 1990
ResolvedMonitoring, Regular
—Cadmium
June 27, 1989 – June 26, 1990
ResolvedMonitoring, Regular
—Chromium
June 27, 1989 – June 26, 1990
ResolvedMonitoring, Regular
—Fluoride
June 27, 1989 – June 26, 1990
ResolvedMonitoring, Regular
—Mercury
June 27, 1989 – June 26, 1990
ResolvedMonitoring, Regular
—Selenium
June 27, 1989 – June 26, 1990
ResolvedMonitoring, Regular
—Cadmium
June 26, 1986 – June 25, 1987
ArchivedMonitoring, Regular
—Arsenic
June 26, 1986 – June 25, 1987
ArchivedMonitoring, Regular
—Chromium
June 26, 1986 – June 25, 1987
ArchivedMonitoring, Regular
—Mercury
June 26, 1986 – June 25, 1987
ArchivedMonitoring, Regular
—Selenium
June 26, 1986 – June 25, 1987
ArchivedMonitoring, Regular
—Nitrate
June 26, 1986 – June 25, 1987
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1984 – June 30, 1988
ArchivedMonitoring, Regular
—Selenium
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Nitrate
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Cadmium
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Barium
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Arsenic
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Mercury
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Fluoride
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Chromium
June 25, 1984 – June 24, 1985
ArchivedMonitoring, Regular
—Endrin
June 24, 1982 – June 23, 1985
ArchivedMonitoring, 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 |
|---|---|---|---|---|
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 1990 – September 30, 1990 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| June 27, 1989 – June 26, 1990 | Monitoring, Regular | Nitrate | — | Resolved |
| June 27, 1989 – June 26, 1990 | Monitoring, Regular | Arsenic | — | Resolved |
| June 27, 1989 – June 26, 1990 | Monitoring, Regular | Barium | — | Resolved |
| June 27, 1989 – June 26, 1990 | Monitoring, Regular | Cadmium | — | Resolved |
| June 27, 1989 – June 26, 1990 | Monitoring, Regular | Chromium | — | Resolved |
| June 27, 1989 – June 26, 1990 | Monitoring, Regular | Fluoride | — | Resolved |
| June 27, 1989 – June 26, 1990 | Monitoring, Regular | Mercury | — | Resolved |
| June 27, 1989 – June 26, 1990 | Monitoring, Regular | Selenium | — | Resolved |
| June 26, 1986 – June 25, 1987 | Monitoring, Regular | Cadmium | — | Archived |
| June 26, 1986 – June 25, 1987 | Monitoring, Regular | Arsenic | — | Archived |
| June 26, 1986 – June 25, 1987 | Monitoring, Regular | Chromium | — | Archived |
| June 26, 1986 – June 25, 1987 | Monitoring, Regular | Mercury | — | Archived |
| June 26, 1986 – June 25, 1987 | Monitoring, Regular | Selenium | — | Archived |
| June 26, 1986 – June 25, 1987 | Monitoring, Regular | Nitrate | — | Archived |
| July 1, 1984 – June 30, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Selenium | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Nitrate | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Cadmium | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Barium | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Arsenic | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Mercury | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Fluoride | — | Archived |
| June 25, 1984 – June 24, 1985 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Endrin | — | 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
- November 8, 1990State Public Notification requested24 linked violations
- August 28, 1990State Compliance achieved13 linked violations
- October 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 1, 1989State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
- September 1, 1989State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
- September 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- August 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- July 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- June 21, 1989State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
- June 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- March 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- February 1, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- November 7, 1988State Public Notification requested1 linked violation
- September 6, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- July 28, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- June 13, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- April 28, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 15, 1988State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 10, 1987State Formal Notice of Violation issued6 linked violations
- March 3, 1986State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- February 13, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- February 13, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 6, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- December 20, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- November 27, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- November 1, 1985State Violation/Reminder Notice4 linked violations
- October 17, 1985State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 3, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 28, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 16, 1985State Violation/Reminder Notice2 linked violations
- August 15, 1985State Violation/Reminder Notice2 linked violations
- August 1, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- June 19, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- May 28, 1985State Public Notification received8 linked violations
- April 12, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- February 20, 1985State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- February 20, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- December 21, 1984State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 5, 1984State Public Notification requestedgeneral 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, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
- June 19, 1981State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Not on record
814-749-8673
TWIN ROCKS, PA 15960