Public water system · OR4100174
ActiveKnoll Terrace Park
Community water system in Benton County, Oregon, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
452
Service connections
210
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 71 | 7000 | No | Resolved |
| 2024-10-17 | 2E | 5200 | Yes | Resolved |
| 2024-01-01 | 03 | 1040 | No | Resolved |
| 2023-07-01 | 71 | 7000 | No | Resolved |
| 2023-01-01 | 03 | 2968 | No | Archived |
| 2023-01-01 | 03 | 2105 | No | Archived |
| 2023-01-01 | 03 | 2274 | No | Archived |
| 2023-01-01 | 03 | 2035 | No | Archived |
| 2023-01-01 | 03 | 2991 | No | Archived |
| 2023-01-01 | 03 | 2981 | No | Archived |
| 2023-01-01 | 03 | 2050 | No | Archived |
| 2023-01-01 | 03 | 2990 | No | Archived |
Knoll Terrace Park: frequently asked questions
Is Knoll Terrace Park's water safe to drink?
Knoll Terrace Park is an active community water system regulated under the Safe Drinking Water Act, overseen by the OR state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Knoll Terrace Park?
Knoll Terrace Park (PWSID OR4100174) is a private-owned community water system, regulated by the OR state drinking water program.
How many people does Knoll Terrace Park serve?
Knoll Terrace Park reports serving 452 people through 210 service connections in Benton County, Oregon.
Where does Knoll Terrace Park get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Benton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kennewick City of | Benton | 118,164 | Community | Surface water |
| Richland City of | Benton | 106,499 | Community | Surface water |
| Rogers Water Utilities | Benton | 81,443 | Community | Purchased surface water |
| Corvallis, City of | Benton | 61,468 | Community | Surface water |
| Bentonville Water Utilities | Benton | 51,250 | Community | Purchased surface water |
| Bella Vista Poa | Benton | 39,419 | Community | Purchased surface water |