PlainWater

GILLESPIE

PWS ID: IL1170400 · GILLESPIE, Illinois 62033

Population Served
3,737
Total Violations
275
Health-Based Violations
41
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,703
County
Macoupin
School/Daycare
No
MCL Violations
27
Monitoring Violations
195
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 40 1995
Atrazine MCL 24 1997
Coliform (TCR) MR 17 2008
Surface Water Treatment Rule TT 12 1997
Total Haloacetic Acids (HAA5) MR 12 2025
TTHM MR 8 2024
Hexachlorocyclopentadiene MR 7 2019
Atrazine MR 7 2019
LEAD AND COPPER RULE REVISIONS RPT 4 2025
Chloramine MR 4 2024
Revised Total Coliform Rule MON 4 2024
BHC-GAMMA MR 3 2019
Toxaphene MR 3 2019
Dalapon MR 3 2019
Diquat MR 3 2019
Endothall MR 3 2019
Di(2-ethylhexyl) phthalate MR 3 2019
Picloram MR 3 2019
Aldicarb sulfoxide MR 3 2019
Aldicarb sulfone MR 3 2019
Heptachlor MR 3 2019
2,4,5-TP MR 3 2019
HEXACHLOROBENZENE MR 3 2019
Pentachlorophenol MR 3 2019
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2019
ETHYLENE DIBROMIDE MR 3 2019
Carbofuran MR 3 2019
Total Polychlorinated Biphenyls (PCB) MR 3 2019
2,4-D MR 3 2019
Public Notice Other 3 2025

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFBS 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 7/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 7/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 7/11/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 7/11/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFHpS 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 7/11/2023 <9 µg/L 9 µg/L Not Detected
9Cl-PF3ONS 7/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 7/11/2023 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 7/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 7/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 7/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/11/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFOA 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 4/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/11/2023 <0.02 µg/L 0.02 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.