Public water system record
Duncan Twp Municipal Authority
Serves an area of Tioga County, PA · 220 people served
Federal records show 1 health-based violation and 27 monitoring/reporting issues for Duncan Twp Municipal Authority in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 27
Key facts
- Duncan Twp Municipal Authority draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1982, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 21 unknown out of 106 service lines.
Check whether Duncan Twp Municipal Authority 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Dec 16, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
RPT
|
Jan 5, 2026 | Resolved |
|
Public Notice
OTHER
|
Oct 11, 2025 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Feb 1, 2025 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Groundwater Rule
Monitoring and reporting
|
Jun 1, 2020 | Resolved |
|
Radium-228
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Radium-226
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Jan 26, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Dec 16, 2018 | Resolved |
|
Simazine
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2017 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2014 | Resolved |
|
Public Notice
OTHER
|
Aug 1, 2013 | Resolved |
Full record since 1982
EPA's records for Duncan Twp Municipal Authority go back to 1982. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 408 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 0 | 2 |
| 2000s | 0 | 29 |
| 2010 to October 18, 2016 | 2 | 376 |
| October 19, 2016 to 2019 | 1 | 11 |
| 2020s | 0 | 13 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began January 2014, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Jan 1, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Aug 1, 2013 | Resolved |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Duncan Twp Municipal Authority draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Duncan Twp Municipal Authority 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 Duncan Twp Municipal Authority 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