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Community Water System · PWS CA1910035

Kinneloa Irrigation Dist.

Operator location Pasadena, California - 74% of 39 violations are health-based (upper-third health share (> 23%)); groundwater source; 1,960 served per SDWIS.

1,960
People served (this PWS)
39
EPA violations (this PWS)
29
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Kinneloa Irrigation Dist. standing, mid SDWIS violation third

74% of 39 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 74% is upper-third health share (> 23%). Population rank #13,823 of 29,740 among systems serving 500+.

The verdict

Kinneloa Irrigation Dist. lands in the middle third by violation volume (39), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 1,960 (mid served population (≤ 3,309)). Health-based share is 74% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.

#13,823 of 29,740
Population · /systems
#913 of 1,701
Population · CA
39
Total EPA violations on record
74%
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
Local
Connections
594
County
Los Angeles
School/Daycare
No
MCL Violations
29
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MCL 29 1988
Revised Total Coliform Rule MON 6 2023
Lead and Copper Rule MR 2 1993
Revised Total Coliform Rule RPT 2 2023

Violation Count vs. the National Corpus

Kinneloa Irrigation Dist. has 39 recorded EPA violations, 50% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 50% carry more. 74% of this system's own violations are health-based (29 of 39), and it ranks #13,823 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)

39 Lower than most fewer violations than 50% 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 Kinneloa Irrigation Dist.

29 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for CA1910035.

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

Nationwide peers

39 violations · 1,960 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 near this population served

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

4 peers

What to do with Kinneloa Irrigation Dist.

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