CALDER WATER AND SEWER DISTRICT
Idaho — Community Water System — PWSID: ID1400010
System Information
| PWSID | ID1400010 |
| System Name | CALDER WATER AND SEWER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 13, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Idaho |
| City | CALDER |
| ZIP Code | 83808 |
| Address | PO BOX 391 |
| Organization | CALDER WATER AND SEWER DIST |
| Phone | 425-346-2431 |
Population & Service
| Population Served | 80 |
| Service Connections | 52 |
Drinking Water Violations (27)
This water system has 27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 30, 2017 | — | MR | No | Yes | — | — | — | Resolved | Feb 10, 2025 | — | |
| Oct 30, 2017 | — | MR | No | Yes | — | — | — | Resolved | Feb 10, 2025 | — | |
| Oct 30, 2017 | — | MR | No | Yes | — | — | — | Resolved | Feb 10, 2025 | — | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2012 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2011 | — | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2011 | — | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 2009 | — | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Mar 31, 2009 | — | |
| Oct 1, 2007 | Oct 31, 2007 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2007 | — | |
| Jan 1, 2007 | Jan 31, 2007 | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Mar 31, 2007 | — | |
| Oct 1, 2006 | Oct 31, 2006 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2006 | — | |
| Sep 1, 2006 | Sep 30, 2006 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2006 | — | |
| Jul 1, 2005 | Jul 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2004 | — | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Sep 1, 2003 | Sep 30, 2003 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2003 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Jun 1, 1996 | Jun 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1996 | — | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1996 | — | |
| Mar 1, 1996 | Mar 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 1996 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | — |
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.