No health-based violations on EPA record since 2016.
Serves about 6,600 people (1,808 connections) with surface water bought from Countryside.
From EPA's record for IL0315860. PurityMap is independent of La Grange Highlands Sanitary District.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2025 to November 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: LA GRANGE HIGHLANDS SANITARY DISTRICT (IL0315860) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →La Grange Highlands Sanitary District's phone number on EPA record is 708-246-5657. Its mailing address is 5900 SOUTH WILLOW SPRINGS ROAD, LAGRANGE, IL 60525.
According to EPA's record, La Grange Highlands Sanitary District uses surface water bought from Countryside.
No health-based violations on EPA record since 2016. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in La Grange Highlands Sanitary District's latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for La Grange Highlands Sanitary District. Its phone number on EPA record is 708-246-5657. Its mailing address on EPA record is 5900 SOUTH WILLOW SPRINGS ROAD, LAGRANGE, IL 60525. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.