KENNETT SQUARE, PA · Chester County
HERCULES T AVELLO M H P Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of May 1, 1987. 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 Chester 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)
- PA1150055
- System type
- Community Water System
- Population served
- 39
- Service connections
- 11
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Endrin
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Mercury
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Fluoride
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—2,4-D
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Chromium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Toxaphene
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Selenium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Nitrate
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Cadmium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Barium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Arsenic
June 24, 1982 – June 23, 1985
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Endrin | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Mercury | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | 2,4-D | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Toxaphene | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Arsenic | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 27, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- October 20, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 8, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 7, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- June 5, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- January 30, 1986State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- December 23, 1985State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- May 22, 1984State Violation/Reminder Notice1 linked violation
- May 10, 1984State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- May 13, 1983State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- February 27, 1983State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Not on record
610-444-2596
KENNETT SQUARE, PA 19348