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HARBIN HOT SPRINGS

PWS ID: CA1700511 · MIDDLETOWN, California 95461

HARBIN HOT SPRINGS serves 401 people in MIDDLETOWN, California using Surface Water water sources. It has 20 recorded EPA violations, including 7 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HARBIN HOT SPRINGS

HARBIN HOT SPRINGS is a private-owned non-transient non-community water system that delivers drinking water to 401 residents in MIDDLETOWN, California (Lake County) through 72 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 20 total violations for this system , of which 7 (35%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 10 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 Coliform (TCR), recorded in 6 violations (MCL, health-based). 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. HARBIN HOT SPRINGS's 20 violations sit below 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
401
Total Violations
20
Health-Based Violations
7
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
72
County
Lake
School/Daycare
No
MCL Violations
6
Monitoring Violations
10
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2001
Coliform (TCR) MR 4 2005
Total Haloacetic Acids (HAA5) MR 2 2011
Lead and Copper Rule MR 2 2003
TTHM MR 2 2011
Consumer Confidence Rule Other 2 2011
LEAD AND COPPER RULE REVISIONS RPT 1 2024
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 HARBIN HOT SPRINGS.

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 CA1700511 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 HARBIN HOT SPRINGS 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 / CA1700511 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CA1700511 / 5200
2011 Total Haloacetic Acids (HAA5) MR 2 SDWIS / CA1700511 / 2456
2011 TTHM MR 2 SDWIS / CA1700511 / 2950
2011 Consumer Confidence Rule Other 2 SDWIS / CA1700511 / 7000
2005 Coliform (TCR) MR 4 SDWIS / CA1700511 / 3100
2003 Lead and Copper Rule MR 2 SDWIS / CA1700511 / 5000
2001 Coliform (TCR) MCL 6 SDWIS / CA1700511 / 3100

How HARBIN HOT SPRINGS Compares

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

Metric HARBIN HOT SPRINGS California avg Federal benchmark
Total violations 20 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 7 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 401 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 HARBIN HOT SPRINGS water safe to drink?
HARBIN HOT SPRINGS (PWS ID: CA1700511) has 20 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 401 people using Surface Water sources.
How many people does HARBIN HOT SPRINGS serve?
HARBIN HOT SPRINGS serves 401 people in MIDDLETOWN, California. It is a Private-owned system using Surface Water water sources with 72 service connections.
What type of violations does HARBIN HOT SPRINGS have?
HARBIN HOT SPRINGS has 20 total violations: 7 health-based violations (MCL exceedances or treatment failures), 10 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HARBIN HOT SPRINGS water?
No PFAS testing data is available for HARBIN HOT SPRINGS under the EPA's UCMR5 monitoring program.
What water source does HARBIN HOT SPRINGS use?
HARBIN HOT SPRINGS uses Surface Water 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.

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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