KNOLLS WATER CO., INC.
New York - Community Water System - PWSID: NY3503563
System Information
| PWSID | NY3503563 |
| System Name | KNOLLS WATER CO., INC. |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 29, 1981 |
| Last Reported | Mar 27, 2026 |
Location & Contact
| State | New York |
| City | WEST NYACK |
| ZIP Code | 10994 |
| Address | Veolia ATTN: Mark Sumner |
| Organization | SUMNER, MARK |
| Phone | 845-620-6221 |
Population & Service
| Population Served | 230 |
| Service Connections | 79 |
Drinking Water Violations (131)
This water system has 131 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Mar 1, 2012 | Mar 31, 2012 | Other | No | No | - | - | - | Resolved | Mar 31, 2012 | - | |
| Mar 1, 2012 | Mar 31, 2012 | Other | No | No | - | - | - | Resolved | Mar 31, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | Other | No | No | - | - | - | Resolved | Feb 29, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | Other | No | No | - | - | - | Resolved | Feb 29, 2012 | - | |
| Jan 1, 2012 | Jan 31, 2012 | Other | No | No | - | - | - | Resolved | Jan 31, 2012 | - | |
| Jan 1, 2012 | Jan 31, 2012 | Other | No | No | - | - | - | Resolved | Jan 31, 2012 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jun 14, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jun 14, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jun 14, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jun 14, 2007 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | TT | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | TT | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | TT | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | TT | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 19, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 19, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 19, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 19, 2005 | - | |
| Jul 10, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 18, 2003 | - | |
| Jul 10, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 18, 2003 | - | |
| Jul 10, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 18, 2003 | - | |
| Jul 10, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 18, 2003 | - | |
| Jan 1, 2001 | - | TT | Yes | No | - | TT | - | Resolved | Jun 28, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | No | - | TT | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | - | TT | Yes | No | - | TT | - | Resolved | Jun 28, 2001 | - | |
| Jan 1, 2001 | - | TT | Yes | No | - | TT | - | Resolved | Jun 28, 2001 | - | |
| Jan 1, 2001 | - | TT | Yes | No | - | TT | - | Resolved | Jun 28, 2001 | - | |
| Jul 1, 2000 | Jul 1, 2001 | Other | No | Yes | - | - | - | Resolved | Jul 1, 2001 | - | |
| Jan 1, 1998 | Dec 31, 2003 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 1998 | Dec 31, 2003 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 1998 | Dec 31, 2003 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 1998 | Dec 31, 2003 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 1998 | Dec 31, 2003 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 1998 | Dec 31, 2003 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 1998 | Dec 31, 2003 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2003 | - |
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.