EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Maui, Hawaii

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems9active CWS · pop. 2,500+
Population served154,754reported total; may overlap
Current violation flag11.1%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Maui

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
WailukuHI000021274,511Surface waterNo current violation flagged
MakawaoHI000021329,868Surface waterNo current violation flagged
LahainaHI000021420,065Surface waterNo current violation flagged
KaanapaliHI00002058,000Ground waterNo current violation flagged
Upper KulaHI00002157,686Surface waterNo current violation flagged
KapaluaHI00002044,200Ground waterNo current violation flagged
KaunakakaiHI00002343,702Ground waterNo current violation flagged
Lower KulaHI00002473,522Surface waterNo current violation flagged
Lanai CityHI00002373,200Ground waterCurrent monitoring/reporting flag

02 / SOURCE MIX

Surface water5 systems · 135,652 served
Ground water4 systems · 19,102 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.