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Community Water System · PWS CA3610046

Valley View Park MWC

Crestline, California 92325 - drinking water served from surface water sources to 499 people, tracked in EPA SDWIS and UCMR5.

499
People served
17
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 17 drinking-water violations at Valley View Park MWC, 24% of them health-based - below the California per-system average.

17
Total EPA violations on record
24%
Health-based (MCL / treatment failure)
499
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Valley View Park MWC

Valley View Park MWC is a private-owned community water system that delivers drinking water to 499 residents in Crestline, California (San Bernardino County) through 218 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 17 total violations for this system , of which 4 (24%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 4 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Valley View Park MWC's 17 violations sit below 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
499
Total Violations
17
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
218
County
San Bernardino
School/Daycare
No
MCL Violations
3
Monitoring Violations
12
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 4 2019
TTHM MR 4 2019
Nitrate MR 2 2019
Coliform (TCR) MCL 2 1992
LEAD AND COPPER RULE REVISIONS RPT 1 2024
Coliform (TCR) MR 1 2010
Nitrate MCL 1 1981
Lead and Copper Rule MR 1 1993
LEAD AND COPPER RULE REVISIONS TT 1 2024

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 Valley View Park MWC.

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 CA3610046 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 Valley View Park MWC 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
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CA3610046 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CA3610046 / 5200
2019 Total Haloacetic Acids (HAA5) MR 4 SDWIS / CA3610046 / 2456
2019 TTHM MR 4 SDWIS / CA3610046 / 2950
2019 Nitrate MR 2 SDWIS / CA3610046 / 1040
2010 Coliform (TCR) MR 1 SDWIS / CA3610046 / 3100
1993 Lead and Copper Rule MR 1 SDWIS / CA3610046 / 5000
1992 Coliform (TCR) MCL 2 SDWIS / CA3610046 / 3100
1981 Nitrate MCL 1 SDWIS / CA3610046 / 1040

How Valley View Park MWC Compares

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

Metric Valley View Park MWC California avg Federal benchmark
Total violations 17 21.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 499 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 Valley View Park MWC water safe to drink? ▼
Valley View Park MWC (PWS ID: CA3610046) has 17 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 499 people using Surface Water sources.
How many people does Valley View Park MWC serve? ▼
Valley View Park MWC serves 499 people in Crestline, California. It is a Private-owned system using Surface Water water sources with 218 service connections.
What type of violations does Valley View Park MWC have? ▼
Valley View Park MWC has 17 total violations: 4 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Valley View Park MWC water? ▼
No PFAS testing data is available for Valley View Park MWC under the EPA's UCMR5 monitoring program.
What water source does Valley View Park MWC use? ▼
Valley View Park MWC uses Surface Water 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.