Community Water System · PWS ID5070023
Heatherlands Subd
Operator location Ketchum, Idaho - smaller served population (≤ 999) at 134 people served; 48 SDWIS violations on record from groundwater sources.
- 134
- People served (this PWS)
- 48
- EPA violations (this PWS)
- 5
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Heatherlands Subd standing, mid SDWIS violation third
134 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 10% is middle-third health share (≤ 23%).
The verdict
Heatherlands Subd lands in the middle third by violation volume (48), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (134; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 10% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- 48
- Total EPA violations on record
- 10%
- Health-based (MCL / treatment failure)
- 134
- People served by this PWS (SDWIS)
- N/A
- PFAS compounds detected (UCMR5)
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
- 126
- County
- Blaine
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 37
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 20 | 2007 |
| Lead and Copper Rule | MR | 8 | 1998 |
| Nitrate | MR | 6 | 2006 |
| Groundwater Rule | TT | 5 | 2018 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 2014 |
| Consumer Confidence Rule | Other | 2 | 1999 |
| Nitrite | MR | 1 | 1993 |
Violation Count vs. the National Corpus
Heatherlands Subd has 48 recorded EPA violations, 55% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 44% carry more. 10% of this system's own violations are health-based (5 of 48), and it ranks unranked by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
48 Around the middle fewer violations than 44% 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 Heatherlands Subd
EPA SDWIS lists 134 people served and 126 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
48 violations · 134 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.
What to do with Heatherlands Subd
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.