LEFT HAND WD
Colorado — Community Water System — PWSID: CO0107471
System Information
| PWSID | CO0107471 |
| System Name | LEFT HAND WD |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | NIWOT |
| ZIP Code | 80544 |
| Address | — |
| Organization | WHITMORE, JASON |
| Phone | 303-530-4200 |
Population & Service
| Population Served | 20,280 |
| Service Connections | 7,769 |
Drinking Water Violations (213)
This water system has 213 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2017 | — | |
| Nov 1, 2017 | Nov 30, 2017 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2017 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2015 | — | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2013 | — | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2013 | — | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2013 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.04 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.4 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.4 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.006 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.006 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.5 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.5 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.003 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.003 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.003 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | — | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — |
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.