PlainWater

LOS LUNAS WATER SYSTEM

PWS ID: NM3525332 · LOS LUNAS, New Mexico 87031

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
19,400
Total Violations
176
Health-Based Violations
45
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
7,830
County
Valencia
School/Daycare
No
MCL Violations
41
Monitoring Violations
103
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 36 2015
Total Haloacetic Acids (HAA5) MR 36 2015
Arsenic MCL 27 2010
Coliform (TCR) MCL 14 2006
Chlorine MR 11 2020
Revised Total Coliform Rule MON 11 2020
Public Notice Other 6 2022
Lead and Copper Rule MR 5 2014
Consumer Confidence Rule Other 4 2018
E. COLI MR 4 2018
Revised Total Coliform Rule TT 4 2018

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 271 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/28/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHxS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/28/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/28/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/28/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/28/2023 31.2000 µg/L 9 µg/L Detected
PFHpS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/28/2023 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 8/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/28/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 8/28/2023 <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.