BLALOCK ORCHARD DIST 10
Washington - Community Water System - PWSID: WA5307350
System Information
| PWSID | WA5307350 |
| System Name | BLALOCK ORCHARD DIST 10 |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Walla Walla |
| ZIP Code | 99362 |
| Address | PO Box 392 |
| Organization | BLALOCK ORCHARD DIST 10 |
| Phone | - |
Population & Service
| Population Served | 250 |
| Service Connections | 91 |
Drinking Water Violations (58)
This water system has 58 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, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2024 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 2003 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2004 | - | |
| Jan 1, 1999 | Jan 1, 2000 | MR | No | No | - | TT | - | Resolved | Jan 1, 2000 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1998 | - |
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.