PlainWater
States → Tennessee

ALCOA WATER SYSTEM

PWS ID: TN0000007 · ALCOA, Tennessee 37701

Population Served
35,238
Total Violations
27
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
13,928
County
Blount
School/Daycare
No
MCL Violations
4
Monitoring Violations
6
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 9 1994
Total Haloacetic Acids (HAA5) MCL 4 2017
Interim Enhanced Surface Water Treatment Rule Other 3 2010
2,4,5-TP MR 1 1989
Methoxychlor MR 1 1989
2,4-D MR 1 1989
BHC-GAMMA MR 1 1989
Toxaphene MR 1 1989
Endrin MR 1 1989

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
NMeFOSAA 8/13/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/13/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/13/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/13/2024 <9 µg/L 9 µg/L Not Detected
PFMPA 5/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 5/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFOA 5/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 5/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHxS 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/22/2024 <9 µg/L 9 µg/L Not Detected
PFUnA 5/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 2/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 2/27/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 2/27/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 2/27/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 2/27/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFBS 2/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 2/27/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 2/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 2/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 2/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 2/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 2/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 2/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 2/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 2/27/2024 <0.005 µg/L 0.005 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.