Community Water System · PWS WA5390900
Vader-Enchanted Valley
Operator location Chehalis, Washington - smaller served population (≤ 999) at 985 people served; 57 SDWIS violations on record from surface water sources.
- 985
- People served (this PWS)
- 57
- EPA violations (this PWS)
- 7
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Vader-Enchanted Valley standing, mid SDWIS violation third
985 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 12% is middle-third health share (≤ 23%). Population rank #19,995 of 29,740 among systems serving 500+.
The verdict
Vader-Enchanted Valley lands in the middle third by violation volume (57), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (985; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 12% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #19,995 of 29,740
- Population · /systems
- #533 of 766
- Population · WA
- 57
- Total EPA violations on record
- 12%
- 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
- Local
- Connections
- 396
- County
- Lewis
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 48
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 10 | 2007 |
| Surface Water Treatment Rule | TT | 7 | 2018 |
| Coliform (TCR) | MR | 5 | 2006 |
| Surface Water Treatment Rule | MR | 2 | 2020 |
| Consumer Confidence Rule | Other | 1 | 2012 |
| TTHM | MR | 1 | 2019 |
| CHLOROBENZENE | MR | 1 | 2007 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2007 |
| Carbon tetrachloride | MR | 1 | 2007 |
| DICHLOROMETHANE | MR | 1 | 2007 |
| Selenium | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| p-Dichlorobenzene | MR | 1 | 2007 |
| Arsenic | MR | 1 | 1979 |
| Toluene | MR | 1 | 2007 |
| 1,1,1-Trichloroethane | MR | 1 | 2007 |
| Mercury | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Vinyl chloride | MR | 1 | 2007 |
| 1,1,2-Trichloroethane | MR | 1 | 2007 |
| Tetrachloroethylene | MR | 1 | 2007 |
| Styrene | MR | 1 | 2007 |
| o-Dichlorobenzene | MR | 1 | 2007 |
| Barium | MR | 1 | 1979 |
| 1,2-Dichloropropane | MR | 1 | 2007 |
| cis-1,2-Dichloroethylene | MR | 1 | 2007 |
| Benzene | MR | 1 | 2007 |
| Nitrate | MR | 1 | 1979 |
| Trichloroethylene | MR | 1 | 2007 |
| Fluoride | MR | 1 | 1979 |
Violation Count vs. the National Corpus
Vader-Enchanted Valley has 57 recorded EPA violations, 60% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 40% carry more. 12% of this system's own violations are health-based (7 of 57), and it ranks #19,995 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)
57 Around the middle fewer violations than 40% 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
Population served record for Vader-Enchanted Valley
EPA SDWIS lists 985 people served and 396 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS · Washington State Department of Health, Office of Drinking Water
Nationwide peers
57 violations · 985 served: nearest cross-state SDWIS matches.
Cross-state systems near this violation count
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems with smaller service footprints
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Vader-Enchanted Valley
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Washington compares on the same EPA violation measures. Washington 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.