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Community Water System · PWS CA3700905

Pine Hills Mutual Water Company

Operator location Julian, California - smaller served population (≤ 999) at 760 people served; 47 SDWIS violations on record from groundwater sources.

760
People served (this PWS)
47
EPA violations (this PWS)
10
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Pine Hills Mutual Water Company standing, mid SDWIS violation third

760 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 21% is middle-third health share (≤ 23%). Population rank #23,172 of 29,740 among systems serving 500+.

The verdict

Pine Hills Mutual Water Company lands in the middle third by violation volume (47), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (760; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 21% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#23,172 of 29,740
Population · /systems
#1,349 of 1,701
Population · CA
47
Total EPA violations on record
21%
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
232
County
San Diego
School/Daycare
No
MCL Violations
4
Monitoring Violations
20
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 5 2005
Interim Enhanced Surface Water Treatment Rule TT 4 2013
E. COLI MR 4 2021
Lead and Copper Rule MR 3 2003
Coliform (TCR) MR 2 2014
Benzene MR 2 2015
Revised Total Coliform Rule MCL 2 2021
Public Notice Other 2 2021
Coliform (TCR) MCL 2 2000
CYANIDE MR 2 2006
Gross Alpha, Excl. Radon and U MR 2 1981
Surface Water Treatment Rule TT 2 2018
Consumer Confidence Rule Other 2 2010

Violation Count vs. the National Corpus

Pine Hills Mutual Water Company has 47 recorded EPA violations, 55% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 45% carry more. 21% of this system's own violations are health-based (10 of 47), and it ranks #23,172 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)

47 Around the middle fewer violations than 45% 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 Pine Hills Mutual Water Company

EPA SDWIS lists 760 people served and 232 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.

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

Nationwide peers

47 violations · 760 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.

4 peers

Cross-state systems with smaller service footprints

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Pine Hills Mutual Water Company

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