Havasu Water Company

PWSID: 090600202 · Havasu Lake, CA · Serves 361 people

According to EPA Safe Drinking Water Information System (SDWIS), Havasu Water Company (PWSID 090600202) in Havasu Lake, CA is listed as a CWS water system covering about 361 people. The same extract lists 49 health-based violation records spanning 2024-2025. Those 49 health-based rows for Havasu Water Company cover contaminants such as Long Term 2 Enhanced Surface Water Treatment Rule, TTHM, Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

Havasu Water Company has 49 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
361
Health-Based Violation Records
49
Distinct Contaminant Codes
5
Source Type
Surface Water

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 5 distinct EPA contaminant codes appear in this system's record, including Long Term 2 Enhanced Surface Water Treatment Rule, TTHM, Surface Water Treatment Rule. Recorded violations span 2024–2025. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.

System Details

EPA ID (PWSID)
090600202
System Type
CWS
Water Source
Surface Water
Location
Havasu Lake, CA
Population Served
361
Health Violations
Yes (49)

What contaminants are in this water system?

Violation History (49)

Contaminant Health Date
TTHM Yes Oct 1, 2025
TTHM Yes Jul 1, 2025
TTHM Yes Jul 1, 2025
Surface Water Treatment Rule Yes Apr 9, 2025
TTHM Yes Apr 1, 2025
Long Term 2 Enhanced Surface Water Treatment Rule Yes Mar 15, 2025
TTHM Yes Jan 1, 2025
TTHM Yes Jan 1, 2025
Long Term 2 Enhanced Surface Water Treatment Rule Yes Nov 12, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Nov 12, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Nov 12, 2024
LEAD AND COPPER RULE REVISIONS Yes Oct 17, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Oct 15, 2024
TTHM Yes Oct 1, 2024
TTHM Yes Oct 1, 2024
TTHM Yes Oct 1, 2024
Groundwater Rule Yes Aug 30, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Aug 30, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Aug 30, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Aug 12, 2024
TTHM Yes Jul 1, 2024
TTHM Yes Jul 1, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Jul 1, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Jul 1, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 16, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 12, 2024
Long Term 2 Enhanced Surface Water Treatment Rule Yes Apr 12, 2024
TTHM Yes Apr 1, 2024
TTHM Yes Apr 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Jan 1, 2024
TTHM Yes Jan 1, 2024

Frequently Asked Questions

What does EPA SDWIS list for Havasu Water Company?
Havasu Water Company has 49 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses surface water water as its source.
How many people does Havasu Water Company serve?
Havasu Water Company serves 361 people in Havasu Lake, CA. It is classified as a CWS water system.
What violations does Havasu Water Company have?
Havasu Water Company has 49 health-based violation records in PlainEnviro's extract spanning 2024–2025. Monitoring and reporting records are not included.
What contaminants have been found in Havasu Water Company water?
Violations have been recorded for 5 contaminants. The most frequent: Long Term 2 Enhanced Surface Water Treatment Rule, TTHM, Surface Water Treatment Rule.

Compare beyond California

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest Havasu Water Company on cumulative violation count (49) and EPA-reported population served (361). Violation-count peers include MARTIN WATER DEPARTMENT, MARTIN CO WATER DISTRICT #1, LINCOLN HILLS SUBDIVISION WS.

About This Data

Havasu Water Company (090600202) is drawn from EPA SDWIS. Nearby county systems in this extract include CUCAMONGA VALLEY WATER DISTRICT; ONTARIO MUNICIPAL UTILITIES COMPANY; SAN BERNARDINO VALLEY WD; EAST VALLEY WATER DISTRICT. Health-based rows (49 MCL/TT) are historical registry state, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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