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States → Illinois

GRANDWOOD PARK SUBDIVISION - LAKE CO PW

PWS ID: IL0975600 · LIBERTYVILLE, Illinois 60048

Population Served
5,751
Total Violations
61
Health-Based Violations
27
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,917
County
Lake
School/Daycare
No
MCL Violations
27
Monitoring Violations
25
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 27 2005
Atrazine MR 4 2014
Di(2-ethylhexyl) phthalate MR 4 2014
Benzo(a)pyrene MR 4 2014
LASSO MR 4 2014
Di(2-ethylhexyl) adipate MR 4 2014
Simazine MR 4 2014
Public Notice Other 2 2004
Consumer Confidence Rule Other 2 2012
Gross Alpha, Excl. Radon and U MR 1 1977

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFPeS 8/5/2025 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/5/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/5/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/5/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/5/2025 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 8/5/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/5/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/5/2025 <9 µg/L 9 µg/L Not Detected
9Cl-PF3ONS 8/5/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/5/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/5/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/5/2025 <0.02 µg/L 0.02 µg/L Not Detected
4:2 FTS 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/5/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/5/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/5/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/5/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/5/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/5/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/5/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/7/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 5/7/2025 <9 µg/L 9 µg/L Not Detected
PFHpS 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/7/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 5/7/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFDoA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/7/2025 <0.004 µg/L 0.004 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.