Public water system record
Longwood Gardens
Serves an area of Chester County, PA · 440 people served
Federal records show 1 health-based violation and 51 monitoring/reporting issues for Longwood Gardens in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 51
Key facts
- Longwood Gardens draws water from 2 wells.
- Record on file since 1976, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 5 unknown out of 79 service lines.
Check whether Longwood Gardens serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 1, 2025 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2026 | Active |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Benzo(a)pyrene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Atrazine
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Simazine
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Jan 13, 2025 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Sep 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Aug 1, 2023 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Radium-228
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Radium-226
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1976
EPA's records for Longwood Gardens go back to 1976. Before October 19, 2016 they list no health-based violations and 103 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1990s | 0 | 62 |
| 2000s | 0 | 31 |
| 2010 to October 18, 2016 | 0 | 8 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 1 | 46 |
What the violations mean
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Longwood Gardens draws water from 2 wells. It also buys water from Aqua PA West Chester.
Buys water from
- Aqua PA West Chester Bryn Mawr, PA
Annual water quality report
Longwood Gardens must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Longwood Gardens for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Pennsylvania.
Certified drinking water labs by state EPA guidance for private wells