Community Water System · PWS ID4080055
Wilderness Ranch Owners Association Inc
Operator location Boise, Idaho - smaller served population (≤ 999) at 525 people served; 264 SDWIS violations on record from surface water sources.
- 525
- People served (this PWS)
- 264
- EPA violations (this PWS)
- 38
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Wilderness Ranch Owners Association Inc standing, high SDWIS violation third
525 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 14% is middle-third health share (≤ 23%). Population rank #28,026 of 29,740 among systems serving 500+.
The verdict
Wilderness Ranch Owners Association Inc sits in the upper third of the sitemap cohort by violation count (264), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (525; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 14% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #28,026 of 29,740
- Population · /systems
- #228 of 249
- Population · ID
- 264
- Total EPA violations on record
- 14%
- 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
- 237
- County
- Boise
- School/Daycare
- No
- MCL Violations
- 19
- Monitoring Violations
- 207
- Treatment Tech Violations
- 19
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 48 | 2021 |
| Lead and Copper Rule | MR | 32 | 2018 |
| Interim Enhanced Surface Water Treatment Rule | MR | 26 | 2022 |
| Lead and Copper Rule | TT | 19 | 2017 |
| Chlorine | MR | 16 | 2017 |
| Total Haloacetic Acids (HAA5) | MCL | 15 | 2016 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2025 |
| E. COLI | MR | 6 | 2017 |
| Nitrate | MR | 5 | 2016 |
| Endothall | MR | 5 | 2017 |
| Nitrate | MCL | 4 | 2015 |
| TTHM | MR | 3 | 2009 |
| Public Notice | Other | 3 | 2015 |
| Coliform (TCR) | MR | 3 | 2013 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
| Beryllium, Total | MR | 1 | 2006 |
| Radium-226 | MR | 1 | 2008 |
| Combined Uranium | MR | 1 | 2008 |
| cis-1,2-Dichloroethylene | MR | 1 | 2008 |
| Xylenes, Total | MR | 1 | 2008 |
| o-Dichlorobenzene | MR | 1 | 2008 |
| trans-1,2-Dichloroethylene | MR | 1 | 2008 |
| 1,2-Dichloroethane | MR | 1 | 2008 |
| 1,1,2-Trichloroethane | MR | 1 | 2008 |
| CHLOROBENZENE | MR | 1 | 2008 |
| Benzene | MR | 1 | 2008 |
| Dalapon | MR | 1 | 2004 |
| Diquat | MR | 1 | 2004 |
| Methoxychlor | MR | 1 | 2004 |
| Chlordane | MR | 1 | 2004 |
Violation Count vs. the National Corpus
Wilderness Ranch Owners Association Inc has 264 recorded EPA violations, 89% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 11% carry more. 14% of this system's own violations are health-based (38 of 264), and it ranks #28,026 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)
264 Higher than most more violations than 89% 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 Wilderness Ranch Owners Association Inc
EPA SDWIS lists 525 people served and 237 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
264 violations · 525 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 with smaller service footprints
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Wilderness Ranch Owners Association Inc
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Idaho compares on the same EPA violation measures. Idaho 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.