PlainWater

KAPALUA

PWS ID: HI0000204 · KAPALUA, Hawaii 96761

Population Served
4,200
Total Violations
30
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
390
County
Maui
School/Daycare
No
MCL Violations
6
Monitoring Violations
1
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2013
Coliform (Pre-TCR) Other 2 1988
Gross Alpha, Excl. Radon and U MR 1 2000

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 4/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/16/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/16/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFOA 4/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 4/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/16/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 4/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 4/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 4/16/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHpA 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 4/16/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 4/16/2024 <9 µg/L 9 µg/L Not Detected
PFBS 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 10/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 10/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 10/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 10/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 10/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 10/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 10/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 10/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 10/22/2024 <9 µg/L 9 µg/L Not Detected
PFUnA 10/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 10/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 10/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.