MAMANASCO LAKE
Connecticut - Transient Non-Community - PWSID: CT1180111
System Information
| PWSID | CT1180111 |
| System Name | MAMANASCO LAKE |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 29, 1980 |
| Last Reported | Oct 20, 2000 |
Location & Contact
| State | Connecticut |
| City | RIDGEFIELD |
| ZIP Code | 06877 |
| Address | 202 MAMANASCO ROAD, #3 |
| Organization | - |
| Phone | - |
Population & Service
| Population Served | 25 |
| Service Connections | 1 |
Drinking Water Violations (296)
This water system has 296 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1996 | - | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1996 | - | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1996 | - | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1996 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 1994 | - | |
| May 1, 1994 | May 31, 1994 | MR | No | Yes | - | 5% of samples | - | Resolved | May 31, 1994 | - | |
| May 1, 1994 | May 31, 1994 | MR | No | Yes | - | 5% of samples | - | Resolved | May 31, 1994 | - | |
| May 1, 1994 | May 31, 1994 | MR | No | Yes | - | 5% of samples | - | Resolved | May 31, 1994 | - | |
| May 1, 1994 | May 31, 1994 | MR | No | Yes | - | 5% of samples | - | Resolved | May 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.1 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.007 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.1 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.7 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.002 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.00005 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.1 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.07 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | 0.0002 mg/L | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | Other | No | No | - | - | - | Archived | Mar 31, 1994 | - |
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.