PlainWater

Transient Non-Community Water System · PWS CA1502422

Caltrans-Boron Rest Stop Water System

Operator location Bishop, California - 60% of 30 violations are health-based (upper-third health share (> 23%)); groundwater source; 3,000 served per SDWIS.

3,000
People served (this PWS)
30
EPA violations (this PWS)
18
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Caltrans-Boron Rest Stop Water System standing, mid SDWIS violation third

60% of 30 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 60% is upper-third health share (> 23%). Population rank #10,593 of 29,740 among systems serving 500+.

The verdict

Caltrans-Boron Rest Stop Water System lands in the middle third by violation volume (30), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 3,000 (mid served population (≤ 3,309)). Health-based share is 60% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.

#10,593 of 29,740
Population · /systems
#769 of 1,701
Population · CA
30
Total EPA violations on record
60%
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
Transient Non-Community
Owner Type
State
Connections
2
County
Kern
School/Daycare
No
MCL Violations
18
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 18 2015
Coliform (TCR) MR 8 2012
Nitrate MR 2 2016

Violation Count vs. the National Corpus

Caltrans-Boron Rest Stop Water System has 30 recorded EPA violations, 42% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 57% carry more. 60% of this system's own violations are health-based (18 of 30), and it ranks #10,593 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)

30 Lower than most fewer violations than 57% 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 Caltrans-Boron Rest Stop Water System

18 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for CA1502422.

Sources: EPA SDWIS · California State Water Resources Control Board, Division of Drinking Water

Nationwide peers

30 violations · 3,000 served: nearest cross-state SDWIS matches.

What to do with Caltrans-Boron Rest Stop Water System

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in California compares on the same EPA violation measures. California 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