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 | Nov 14, 2025 |
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 (21)
This water system has 21 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 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 27, 2003 | Consumer Confidence Rule |
| Jul 1, 2001 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 27, 2003 | Consumer Confidence Rule |
| Apr 1, 1999 | Apr 30, 1999 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 1999 | Total Coliform Rule |
| Jun 1, 1998 | Jun 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | Total Coliform Rule |
| May 1, 1998 | May 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1998 | Total Coliform Rule |
| Apr 1, 1998 | Apr 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1998 | Total Coliform Rule |
| Oct 1, 1997 | Oct 31, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Oct 31, 1997 | Total Coliform Rule |
| May 1, 1997 | May 31, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | May 31, 1997 | Total Coliform Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Aug 31, 1996 | Total Coliform Rule |
| Jul 1, 1996 | Jul 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | Total Coliform Rule |
| Jun 1, 1996 | Jun 30, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Jun 1, 1995 | Jun 30, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Jun 30, 1995 | Total Coliform Rule |
| Jun 1, 1995 | Jun 30, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Jun 30, 1995 | Total Coliform Rule |
| Jun 1, 1993 | Aug 19, 1994 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 19, 1994 | Lead and Copper Rule |
| Jun 1, 1993 | Aug 19, 1994 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 19, 1994 | Lead and Copper Rule |
| Apr 1, 1991 | Apr 30, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1991 | Total Coliform Rule |
| — | — | — | 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.