PlainWater
States06

Quapaw Downstream Casino & Resort

PWS ID: 062005840 · QUAPAW, 06 74363

Population Served
6,000
Total Violations
8
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
17
School/Daycare
No
MCL Violations
2
Monitoring Violations
6
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 2 2019
Total Haloacetic Acids (HAA5) MR 2 2019
Coliform (TCR) MCL 2 2009
Coliform (TCR) MR 2 2009

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFMBA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 9/25/2024 <0.008 µg/L 0.008 µg/L Not Detected
8:2 FTS 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/25/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 9/25/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/25/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFPeS 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/25/2024 <9 µg/L 9 µg/L Not Detected
PFBS 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 6/18/2024 <9 µg/L 9 µg/L Not Detected
PFTA 6/18/2024 <0.008 µg/L 0.008 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.