Public water system · OK2006201
ActiveAda
Community water system in Pontotoc County, Oklahoma, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
22,600
Service connections
11,575
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2010-05-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2002-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1998-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Ada: frequently asked questions
Is Ada's water safe to drink?
Ada is an active community water system regulated under the Safe Drinking Water Act, overseen by the OK state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Ada?
Ada (PWSID OK2006201) is a local government-owned community water system, regulated by the OK state drinking water program.
How many people does Ada serve?
Ada reports serving 22,600 people through 11,575 service connections in Pontotoc County, Oklahoma.
Where does Ada get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Pontotoc County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pontotoc Co Rwd # 7 | Pontotoc | 4,863 | Community | Purchased groundwater |
| Pontotoc Co Rwd # 8 | Pontotoc | 4,250 | Community | Groundwater |
| Pontotoc Co Rwd # 9 | Pontotoc | 1,162 | Community | Purchased groundwater |
| Allen Pwa | Pontotoc | 937 | Community | Groundwater |
| Pontotoc Co Rwd # 6 (Fittstown) | Pontotoc | 896 | Community | Purchased groundwater |
| Roff | Pontotoc | 800 | Community | Groundwater |
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