KEYSTONE DEVELOPMENT AUTHORITY
Oklahoma - Community Water System - PWSID: OK3001917
System Information
| PWSID | OK3001917 |
| System Name | KEYSTONE DEVELOPMENT AUTHORITY |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1980 |
| Last Reported | Feb 18, 2026 |
Location & Contact
| State | Oklahoma |
| City | MANNFORD |
| ZIP Code | 74044 |
| Address | TOWN OF MANNFORD |
| Organization | - |
| Phone | 918-865-3099 |
Population & Service
| Population Served | 300 |
| Service Connections | 135 |
Drinking Water Violations (24)
This water system has 24 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, 2001 | - | Other | No | No | - | - | - | Resolved | Mar 27, 2003 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Mar 27, 2003 | - | |
| Apr 1, 1999 | Apr 30, 1999 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 1999 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1998 | - | |
| Apr 1, 1998 | Apr 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1998 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Oct 31, 1997 | - | |
| May 1, 1997 | May 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | May 31, 1997 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | Yes | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| Jun 1, 1996 | Jun 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Nov 30, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jun 1, 1993 | Aug 19, 1994 | MR | No | No | - | TT | - | Resolved | Aug 19, 1994 | - | |
| Jun 1, 1993 | Aug 19, 1994 | MR | No | No | - | TT | - | Resolved | Aug 19, 1994 | - | |
| Apr 1, 1991 | Apr 30, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.