Community Water System · PWS OR4101149
Perrydale Domestic Wtr Assn
Operator location Amity, Oregon - upper-third violation load (> 74 violations) with 277 EPA violations; groundwater source; 2,655 served (PWS-level, not municipal population).
- 2,655
- People served (this PWS)
- 277
- EPA violations (this PWS)
- 12
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Perrydale Domestic Wtr Assn standing, high SDWIS violation third
277 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 4% is middle-third health share (≤ 23%). Population rank #11,464 of 29,740 among systems serving 500+.
The verdict
Perrydale Domestic Wtr Assn sits in the upper third of the sitemap cohort by violation count (277), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,655 (mid served population (≤ 3,309)). Health-based share is 4% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #11,464 of 29,740
- Population · /systems
- #139 of 373
- Population · OR
- 277
- Total EPA violations on record
- 4%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 885
- County
- Polk
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 262
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 25 | 2009 |
| Nitrate | MR | 13 | 2006 |
| Coliform (TCR) | MCL | 12 | 2009 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2005 |
| DICHLOROMETHANE | MR | 4 | 2005 |
| p-Dichlorobenzene | MR | 4 | 2005 |
| 1,2-Dichloroethane | MR | 4 | 2005 |
| Carbon tetrachloride | MR | 4 | 2005 |
| Tetrachloroethylene | MR | 4 | 2005 |
| Benzene | MR | 4 | 2005 |
| Toluene | MR | 4 | 2005 |
| Ethylbenzene | MR | 4 | 2005 |
| Endrin | MR | 4 | 2005 |
| BHC-GAMMA | MR | 4 | 2005 |
| Toxaphene | MR | 4 | 2005 |
| Diquat | MR | 4 | 2005 |
| Endothall | MR | 4 | 2005 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2005 |
| OXAMYL | MR | 4 | 2005 |
| Simazine | MR | 4 | 2005 |
| Picloram | MR | 4 | 2005 |
| Dinoseb | MR | 4 | 2005 |
| Hexachlorocyclopentadiene | MR | 4 | 2005 |
| Carbofuran | MR | 4 | 2005 |
| Heptachlor | MR | 4 | 2005 |
| HEXACHLOROBENZENE | MR | 4 | 2005 |
| Benzo(a)pyrene | MR | 4 | 2005 |
| Pentachlorophenol | MR | 4 | 2005 |
| Chlordane | MR | 4 | 2005 |
| Methoxychlor | MR | 4 | 2005 |
Violation Count vs. the National Corpus
Perrydale Domestic Wtr Assn has 277 recorded EPA violations, 90% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 10% carry more. 4% of this system's own violations are health-based (12 of 277), and it ranks #11,464 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
277 Higher than most more violations than 90% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
SDWIS compliance record for Perrydale Domestic Wtr Assn
277 violations on record for OR4101149; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS
Nationwide peers
277 violations · 2,655 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Perrydale Domestic Wtr Assn
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Oregon compares on the same EPA violation measures. Oregon systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.