County profile · EPA SDWIS + UCMR5
Polk County, Oregon
29 SDWIS-listed public water systems serve 53,707 people in Polk County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 29
- SDWIS water systems Middle third of counties
- 2,619
- Total violations Middle third of counties
- 86.2%
- SDWIS systems w/ a violation Lower third of counties
- 25.0%
- UCMR5 PFAS rate (4 tested) Middle third of counties with tests
SDWIS compliance plate
Sheet OR053 · Polk County 29 sys · 2,619 viol · #915/3254
VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · BELOW-PEER · PFAS-MID · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 86.2% flagged
- HEALTH-LOW 6.6% health
- RANK-UPPER #915/3254
- BELOW-PEER 5.0 pp cleaner
- PFAS-MID 25.0% detect
- SRC-GW GW lead 72%
- SYS-SMALL 29 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Yamhill County (+ 5 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Polk County ranks #915 of 3,254 counties by people served, and #16 of 36 counties in Oregon. See methodology · corpus placement.
Polk County standing, lower-flagged corpus third
Flagged-system rate 86.2% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 6.6% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 25.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #915 of 3,254 · #16 of 36 in Oregon.
Flagged-rate neighbourhood around Polk County
Lowest/highest poles plus in-state counties nearest Polk County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Dallas, City Of | 17,911 | 58 | Clean |
| Monmouth, City Of | 11,651 | 33 | Clean |
| Independence Water System | 10,300 | 61 | Detected |
| Luckiamute Domestic Water Coop | 2,738 | 86 | - |
| Perrydale Domestic Wtr Assn | 2,655 | 277 | - |
| Grand Ronde Community Wtr Assn | 2,500 | 79 | - |
| Rickreall Water Association | 1,650 | 83 | - |
| Falls City, City Of | 1,051 | 198 | Clean |
| Buell-Red Prairie WD | 800 | 383 | - |
| Western Christian School | 540 | 158 | - |
| Orchard Heights Water Assn | 381 | 87 | - |
| Rock Creek Water District | 300 | 419 | - |
| Oregon Outdoor Education Center | 284 | 9 | - |
| Camp Kilowan | 180 | 91 | - |
| Camp Tapawingo | 150 | 241 | - |
| Aspinwalls Nursery and Produce | 100 | 39 | - |
| Bryn Mawr Vineyards | 75 | 6 | - |
| Monmouth Kingdom Hall | 57 | 31 | - |
| Pioneer Park Co-Op Inc | 54 | 86 | - |
| Luckiamute Valley Charter Schools | 50 | 144 | - |
| Green Villa Farms | 50 | 5 | - |
| Airlie Winery | 45 | 0 | - |
| Lingua Franca Winery | 30 | 3 | - |
| Cristom Vineyards | 30 | 2 | - |
| Chemeketa Cellars | 25 | 36 | - |
| Ur Journeys | 25 | 4 | - |
| Kuenzi Family Vineyard | 25 | 0 | - |
| Bjornson Vineyard | 25 | 0 | - |
| Rh Wines | 25 | 0 | - |
Compare beyond Oregon
Lower-flagged peers for Polk County
Cross-state counties nearest Polk County on flagged-system share (86.2%) and cumulative violation count (2,619). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.