HENSONVILLE (WINDHAM W.D.)
New York — Community Water System — PWSID: NY1900029
System Information
| PWSID | NY1900029 |
| System Name | HENSONVILLE (WINDHAM W.D.) |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 29, 1981 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | New York |
| City | HENSONVILLE |
| ZIP Code | 12439 |
| Address | PO BOX 96 |
| Organization | WINDHAM SUPERVISOR AND TOWN BOARD |
| Phone | 518-734-4170 |
Population & Service
| Population Served | 490 |
| Service Connections | 306 |
Drinking Water Violations (221)
This water system has 221 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2024 | Dec 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Archived | Dec 31, 2024 | Revised Total Coliform Rule |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Jan 10, 2025 | Lead and Copper Rule Revisions |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 18, 2021 | Lead and Copper Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 18, 2021 | Lead and Copper Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 18, 2021 | Lead and Copper Rule |
| Sep 1, 2020 | Sep 30, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | Revised Total Coliform Rule |
| Sep 1, 2020 | Sep 30, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | Revised Total Coliform Rule |
| Sep 1, 2020 | Sep 30, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | Revised Total Coliform Rule |
| Dec 1, 2019 | Dec 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Revised Total Coliform Rule |
| Dec 1, 2019 | Dec 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Revised Total Coliform Rule |
| Dec 1, 2019 | Dec 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Revised Total Coliform Rule |
| Jan 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 11, 2020 | Consumer Confidence Rule |
| Jan 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 11, 2020 | Consumer Confidence Rule |
| Jan 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 11, 2020 | Consumer Confidence Rule |
| Oct 1, 2015 | Dec 31, 2015 | Arsenic | MCL | Yes | No | 14.3 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2015 | Arsenic Rule |
| Oct 1, 2015 | Dec 31, 2015 | Arsenic | MCL | Yes | No | 14.3 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2015 | Arsenic Rule |
| Oct 1, 2015 | Dec 31, 2015 | Arsenic | MCL | Yes | No | 14.3 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2015 | Arsenic Rule |
| Oct 1, 2015 | Dec 31, 2015 | Arsenic | MCL | Yes | No | 16.9 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2015 | Arsenic Rule |
| Oct 1, 2015 | Dec 31, 2015 | Arsenic | MCL | Yes | No | 16.9 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2015 | Arsenic Rule |
| Oct 1, 2015 | Dec 31, 2015 | Arsenic | MCL | Yes | No | 16.9 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2015 | Arsenic Rule |
| Jul 1, 2015 | Sep 30, 2015 | Arsenic | MCL | Yes | No | 16.5 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2015 | Arsenic Rule |
| Jul 1, 2015 | Sep 30, 2015 | Arsenic | MCL | Yes | No | 16.5 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2015 | Arsenic Rule |
| Jul 1, 2015 | Sep 30, 2015 | Arsenic | MCL | Yes | No | 13.8 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2015 | Arsenic Rule |
| Jul 1, 2015 | Sep 30, 2015 | Arsenic | MCL | Yes | No | 13.8 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2015 | Arsenic Rule |
| Jul 1, 2015 | Sep 30, 2015 | Arsenic | MCL | Yes | No | 13.8 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2015 | Arsenic Rule |
| Jul 1, 2015 | Sep 30, 2015 | Arsenic | MCL | Yes | No | 16.5 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2015 | Arsenic Rule |
| Apr 1, 2015 | Jun 30, 2015 | Arsenic | MCL | Yes | No | 16.225 UG/L | 0.010 mg/L | 10 | Resolved | Jun 30, 2015 | Arsenic Rule |
| Apr 1, 2015 | Jun 30, 2015 | Arsenic | MCL | Yes | No | 16.475 UG/L | 0.010 mg/L | 10 | Resolved | Jun 30, 2015 | Arsenic Rule |
| Apr 1, 2015 | Jun 30, 2015 | Arsenic | MCL | Yes | No | 16.475 UG/L | 0.010 mg/L | 10 | Resolved | Jun 30, 2015 | Arsenic Rule |
| Apr 1, 2015 | Jun 30, 2015 | Arsenic | MCL | Yes | No | 16.225 UG/L | 0.010 mg/L | 10 | Resolved | Jun 30, 2015 | Arsenic Rule |
| Apr 1, 2015 | Jun 30, 2015 | Arsenic | MCL | Yes | No | 16.225 UG/L | 0.010 mg/L | 10 | Resolved | Jun 30, 2015 | Arsenic Rule |
| Apr 1, 2015 | Jun 30, 2015 | Arsenic | MCL | Yes | No | 16.475 UG/L | 0.010 mg/L | 10 | Resolved | Jun 30, 2015 | Arsenic Rule |
| Jan 1, 2015 | Mar 31, 2015 | Arsenic | MCL | Yes | No | 16.15 UG/L | 0.010 mg/L | 10 | Resolved | Mar 31, 2015 | Arsenic Rule |
| Jan 1, 2015 | Mar 31, 2015 | Arsenic | MCL | Yes | No | 16.15 UG/L | 0.010 mg/L | 10 | Resolved | Mar 31, 2015 | Arsenic Rule |
| Jan 1, 2015 | Mar 31, 2015 | Arsenic | MCL | Yes | No | 16.15 UG/L | 0.010 mg/L | 10 | Resolved | Mar 31, 2015 | Arsenic Rule |
| Jan 1, 2015 | Mar 31, 2015 | Arsenic | MCL | Yes | No | 16.1 UG/L | 0.010 mg/L | 10 | Resolved | Mar 31, 2015 | Arsenic Rule |
| Jan 1, 2015 | Mar 31, 2015 | Arsenic | MCL | Yes | No | 16.1 UG/L | 0.010 mg/L | 10 | Resolved | Mar 31, 2015 | Arsenic Rule |
| Jan 1, 2015 | Mar 31, 2015 | Arsenic | MCL | Yes | No | 16.1 UG/L | 0.010 mg/L | 10 | Resolved | Mar 31, 2015 | Arsenic Rule |
| Oct 1, 2014 | Dec 31, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2014 | Arsenic Rule |
| Oct 1, 2014 | Dec 31, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2014 | Arsenic Rule |
| Oct 1, 2014 | Dec 31, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2014 | Arsenic Rule |
| Oct 1, 2014 | Dec 31, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2014 | Arsenic Rule |
| Oct 1, 2014 | Dec 31, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2014 | Arsenic Rule |
| Oct 1, 2014 | Dec 31, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Dec 31, 2014 | Arsenic Rule |
| Jul 1, 2014 | Sep 30, 2014 | Arsenic | MCL | Yes | No | 15.75 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2014 | Arsenic Rule |
| Jul 1, 2014 | Sep 30, 2014 | Arsenic | MCL | Yes | No | 15.75 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2014 | Arsenic Rule |
| Jul 1, 2014 | Sep 30, 2014 | Arsenic | MCL | Yes | No | 15.75 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2014 | Arsenic Rule |
| Jul 1, 2014 | Sep 30, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2014 | Arsenic Rule |
| Jul 1, 2014 | Sep 30, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2014 | Arsenic Rule |
| Jul 1, 2014 | Sep 30, 2014 | Arsenic | MCL | Yes | No | 16 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2014 | Arsenic Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.