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Non-Transient Non-Community Water System · PWS OR4191747

Mt Bachelor Inc

Operator location Bend, Oregon - 6% of 32 violations are health-based (middle-third health share (≤ 23%)); groundwater source; 1,726 served per SDWIS.

1,726
People served (this PWS)
32
EPA violations (this PWS)
2
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Mt Bachelor Inc standing, mid SDWIS violation third

6% of 32 recorded violations are health-based - middle-third health share (≤ 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 6% is middle-third health share (≤ 23%). Population rank #14,787 of 29,740 among systems serving 500+.

The verdict

Mt Bachelor Inc lands in the middle third by violation volume (32), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 1,726 (mid served population (≤ 3,309)). Health-based share is 6% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#14,787 of 29,740
Population · /systems
#187 of 373
Population · OR
32
Total EPA violations on record
6%
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
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Deschutes
School/Daycare
No
MCL Violations
1
Monitoring Violations
25
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 19 2015
Revised Total Coliform Rule MON 2 2024
Coliform (TCR) MCL 1 1999
Nitrate MR 1 2015
Lead and Copper Rule TT 1 2016
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2020
ETHYLENE DIBROMIDE MR 1 2020
Lead and Copper Rule MR 1 1994

Violation Count vs. the National Corpus

Mt Bachelor Inc has 32 recorded EPA violations, 44% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 55% carry more. 6% of this system's own violations are health-based (2 of 32), and it ranks #14,787 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)

32 Lower than most fewer violations than 55% 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

Health-based violations on Mt Bachelor Inc

2 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for OR4191747.

Sources: EPA SDWIS

Nationwide peers

32 violations · 1,726 served: nearest cross-state SDWIS matches.

What to do with Mt Bachelor Inc

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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater