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Community Water System · PWS CA3610850

California Institution for Men

Chino, California 91710 - drinking water served from groundwater sources to 10,667 people, tracked in EPA SDWIS and UCMR5.

10,667
People served
35
EPA violations
17
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 35 drinking-water violations at California Institution for Men, 49% of them health-based - above the California per-system average.

35
Total EPA violations on record
49%
Health-based (MCL / treatment failure)
10,667
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: California Institution for Men

California Institution for Men is a state-owned community water system that delivers drinking water to 10,667 residents in Chino, California (San Bernardino County) through 1,912 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 35 total violations for this system , of which 17 (49%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 13 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across California, EPA tracks 7,249 public water systems serving 42,404,883 people, with 153,308 cumulative violations and 63,983 health-based violations on record. About 89% of systems in the state carry at least one violation, and state-wide the average per system is 21.1 violations. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%).

California Institution for Men's 35 violations sit above the California average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
10,667
Total Violations
35
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
1,912
County
San Bernardino
School/Daycare
No
MCL Violations
10
Monitoring Violations
13
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 2013
Groundwater Rule TT 7 2022
Coliform (TCR) MR 5 2013
TTHM MR 4 2016
Total Haloacetic Acids (HAA5) MR 4 2016
Nitrate MCL 2 2018
Consumer Confidence Rule Other 2 2019

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 5/12/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/12/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeA 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/12/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/12/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 5/12/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/12/2025 <2.00 ppt 2.00 ppt Not Detected
PFHpS 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/12/2025 <5.00 ppt 5.00 ppt Not Detected
NFDHA 5/12/2025 <20.00 ppt 20.00 ppt Not Detected
PFMPA 5/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 5/12/2025 <8.00 ppt 8.00 ppt Not Detected
PFHxA 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 5/12/2025 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 5/12/2025 <6.00 ppt 6.00 ppt Not Detected
PFDoA 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 5/12/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 5/12/2025 <7.00 ppt 7.00 ppt Not Detected
PFBS 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 5/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 5/12/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 11/12/2025 <20.00 ppt 20.00 ppt Not Detected
PFBA 11/12/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 11/12/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 11/12/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 11/12/2025 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 11/12/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 11/12/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 11/12/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 11/12/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 11/12/2025 <2.00 ppt 2.00 ppt Not Detected
PFMBA 11/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 11/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 11/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFMPA 11/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxA 11/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 11/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 11/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 11/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 11/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 11/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 11/12/2025 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for California Institution for Men.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CA3610850 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

California Drinking Water Authority

California State Water Resources Control Board, Division of Drinking Water is the primacy agency that licenses and inspects California Institution for Men under EPA-delegated authority.

Open CA regulator portal

Source: California State Water Resources Control Board, Division of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2022 Groundwater Rule TT 7 SDWIS / CA3610850 / 0700
2019 Consumer Confidence Rule Other 2 SDWIS / CA3610850 / 7000
2018 Nitrate MCL 2 SDWIS / CA3610850 / 1040
2016 TTHM MR 4 SDWIS / CA3610850 / 2950
2016 Total Haloacetic Acids (HAA5) MR 4 SDWIS / CA3610850 / 2456
2013 Coliform (TCR) MCL 8 SDWIS / CA3610850 / 3100
2013 Coliform (TCR) MR 5 SDWIS / CA3610850 / 3100

How California Institution for Men Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric California Institution for Men California avg Federal benchmark
Total violations 35 21.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 8.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 64.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 10,667 5,850 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,249 regulated public water systems in California.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is California Institution for Men water safe to drink?
California Institution for Men (PWS ID: CA3610850) has 35 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 10,667 people using Groundwater sources.
How many people does California Institution for Men serve?
California Institution for Men serves 10,667 people in Chino, California. It is a State-owned system using Groundwater water sources with 1,912 service connections.
What type of violations does California Institution for Men have?
California Institution for Men has 35 total violations: 17 health-based violations (MCL exceedances or treatment failures), 13 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in California Institution for Men water?
No. California Institution for Men was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does California Institution for Men use?
California Institution for Men uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.