KNOLL TERRACE PARK
PWSID: OR4100174 · Corvallis, OR · Serves 452 people
According to EPA Safe Drinking Water Information System (SDWIS), KNOLL TERRACE PARK (PWSID OR4100174) in Corvallis, OR is listed as a CWS water system covering about 452 people. The same extract lists 1 health-based violation record spanning 2024-2024. Those 1 health-based row for KNOLL TERRACE PARK cover contaminants such as LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
KNOLL TERRACE PARK has 1 health-based violation record in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including LEAD AND COPPER RULE REVISIONS. Recorded violations span 2024–2024. Day-to-day primacy enforcement for this system runs through the Oregon drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Oregon state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- OR4100174
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Corvallis, OR
- Population Served
- 452
- Health Violations
- Yes (1)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (1)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
Frequently Asked Questions
What does EPA SDWIS list for KNOLL TERRACE PARK?
How many people does KNOLL TERRACE PARK serve?
What violations does KNOLL TERRACE PARK have?
What contaminants have been found in KNOLL TERRACE PARK water?
Compare beyond Oregon
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest KNOLL TERRACE PARK on cumulative violation count (1) and EPA-reported population served (452). Violation-count peers include CHOCTAW - CONEHATTA, CHOCTAW - PEARL RIVER, CHOCTAW - TUCKER.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
KNOLL TERRACE PARK (OR4100174) is drawn from EPA SDWIS. Nearby county systems in this extract include PHILOMATH PUBLIC WORKS; ADAIR VILLAGE WATER SYSTEM; VINEYARD MOUNTAIN WATER; ALSEA COUNTY SERVICE DISTRICT. Health-based rows (1 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.