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JUNE LAKE PUD - DOWN CANYON

PWS ID: CA2610004 · JUNE LAKE, California 93529

JUNE LAKE PUD - DOWN CANYON serves 2,810 people in JUNE LAKE, California using Surface Water water sources. It has 29 recorded EPA violations, including 9 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: JUNE LAKE PUD - DOWN CANYON

JUNE LAKE PUD - DOWN CANYON is a local-owned community water system that delivers drinking water to 2,810 residents in JUNE LAKE, California (Mono County) through 405 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 29 total violations for this system , of which 9 (31%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 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 Surface Water Treatment Rule, recorded in 14 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. JUNE LAKE PUD - DOWN CANYON's 29 violations sit above the California average. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%). 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
2,810
Total Violations
29
Health-Based Violations
9
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
405
County
Mono
School/Daycare
No
MCL Violations
2
Monitoring Violations
17
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 14 1999
Surface Water Treatment Rule TT 6 2023
Coliform (TCR) MCL 2 2000
Coliform (TCR) Other 2 2000
Coliform (TCR) MR 2 2000
Lead and Copper Rule MR 1 1993
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 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 JUNE LAKE PUD - DOWN CANYON.

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 CA2610004 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 JUNE LAKE PUD - DOWN CANYON 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 TT 1 SDWIS / CA2610004 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CA2610004 / 5200
2023 Surface Water Treatment Rule TT 6 SDWIS / CA2610004 / 0200
2000 Coliform (TCR) MCL 2 SDWIS / CA2610004 / 3100
2000 Coliform (TCR) Other 2 SDWIS / CA2610004 / 3100
2000 Coliform (TCR) MR 2 SDWIS / CA2610004 / 3100
1999 Surface Water Treatment Rule MR 14 SDWIS / CA2610004 / 0200
1993 Lead and Copper Rule MR 1 SDWIS / CA2610004 / 5000

How JUNE LAKE PUD - DOWN CANYON Compares

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

Metric JUNE LAKE PUD - DOWN CANYON California avg Federal benchmark
Total violations 29 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 9 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 2,810 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is JUNE LAKE PUD - DOWN CANYON water safe to drink?
JUNE LAKE PUD - DOWN CANYON (PWS ID: CA2610004) has 29 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,810 people using Surface Water sources.
How many people does JUNE LAKE PUD - DOWN CANYON serve?
JUNE LAKE PUD - DOWN CANYON serves 2,810 people in JUNE LAKE, California. It is a Local-owned system using Surface Water water sources with 405 service connections.
What type of violations does JUNE LAKE PUD - DOWN CANYON have?
JUNE LAKE PUD - DOWN CANYON has 29 total violations: 9 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in JUNE LAKE PUD - DOWN CANYON water?
No PFAS testing data is available for JUNE LAKE PUD - DOWN CANYON under the EPA's UCMR5 monitoring program.
What water source does JUNE LAKE PUD - DOWN CANYON use?
JUNE LAKE PUD - DOWN CANYON 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial