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Non-Transient Non-Community Water System · PWS CA3600707

Snow Summit

Big Bear Lake, California 92315 - drinking water served from groundwater sources to 75,500 people, tracked in EPA SDWIS and UCMR5.

75,500
People served
45
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 45 drinking-water violations at Snow Summit, 2% of them health-based - above the California per-system average.

45
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
75,500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Snow Summit

Snow Summit is a private-owned non-transient non-community water system that delivers drinking water to 75,500 residents in Big Bear Lake, California (San Bernardino County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 45 total violations for this system , of which 1 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 41 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 Revised Total Coliform Rule, recorded in 10 violations (MON). 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%).

Snow Summit's 45 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
75,500
Total Violations
45
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
4
County
San Bernardino
School/Daycare
No
MCL Violations
0
Monitoring Violations
41
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 10 2020
Nitrate MR 2 2012
Arsenic MR 2 2015
Barium MR 2 2015
Cadmium MR 2 2015
Nitrite MR 2 2015
Beryllium, Total MR 2 2015
Thallium, Total MR 2 2015
Selenium MR 2 2015
Consumer Confidence Rule Other 2 2024
Nickel MR 2 2015
Antimony, Total MR 2 2015
Mercury MR 2 2015
Chromium MR 2 2015
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2015
Fluoride MR 2 2015
ETHYLENE DIBROMIDE MR 2 2015
Lead and Copper Rule MR 1 2017
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 Snow Summit.

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 CA3600707 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 Snow Summit 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 Consumer Confidence Rule Other 2 SDWIS / CA3600707 / 7000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CA3600707 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CA3600707 / 5200
2020 Revised Total Coliform Rule MON 10 SDWIS / CA3600707 / 8000
2017 Lead and Copper Rule MR 1 SDWIS / CA3600707 / 5000
2015 Arsenic MR 2 SDWIS / CA3600707 / 1005
2015 Barium MR 2 SDWIS / CA3600707 / 1010
2015 Cadmium MR 2 SDWIS / CA3600707 / 1015
2015 Nitrite MR 2 SDWIS / CA3600707 / 1041
2015 Beryllium, Total MR 2 SDWIS / CA3600707 / 1075
2015 Thallium, Total MR 2 SDWIS / CA3600707 / 1085
2015 Selenium MR 2 SDWIS / CA3600707 / 1045
2015 Nickel MR 2 SDWIS / CA3600707 / 1036
2015 Antimony, Total MR 2 SDWIS / CA3600707 / 1074
2015 Mercury MR 2 SDWIS / CA3600707 / 1035

How Snow Summit Compares

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

Metric Snow Summit California avg Federal benchmark
Total violations 45 21.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 75,500 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 Snow Summit water safe to drink? ▼
Snow Summit (PWS ID: CA3600707) has 45 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 75,500 people using Groundwater sources.
How many people does Snow Summit serve? ▼
Snow Summit serves 75,500 people in Big Bear Lake, California. It is a Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does Snow Summit have? ▼
Snow Summit has 45 total violations: 1 health-based violations (MCL exceedances or treatment failures), 41 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Snow Summit water? ▼
No PFAS testing data is available for Snow Summit under the EPA's UCMR5 monitoring program.
What water source does Snow Summit use? ▼
Snow Summit uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.