No open health-based violations on EPA record in the last 10 years.
Serves about 4,972 people (1,989 connections) with surface water bought from Carbondale.
From EPA's record for IL0775400. PurityMap is independent of South Highway PWD.
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4 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From December 2025 | Long Term 2 Enhanced Surface Water Treatment Rule | – | – | Archived |
| From July 2024 | Carbon, total | – | TT | Resolved |
| From April 2024 | Carbon, total | 0.99 RATIO | TT | Resolved |
| From June 2018 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from March 2023 to December 2023.
| 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 | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| 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 | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| 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 | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| 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 | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| 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 | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| 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 | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| 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 | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-04 | UCMR5 Analytical Results: SOUTH HIGHWAY PWD (IL0775400) |
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 →South Highway PWD's phone number on EPA record is 618-529-5313. Its mailing address is South Highway Water District, 111 Cedar Creek Road, MAKANDA, IL 62958.
According to EPA's record, South Highway PWD uses surface water bought from Carbondale.
EPA's record shows 4 health-based violations for South Highway PWD in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in South Highway PWD's latest lead and copper round, which ended in December 2023, was 1.4 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for South Highway PWD. Its phone number on EPA record is 618-529-5313. Its mailing address on EPA record is South Highway Water District, 111 Cedar Creek Road, MAKANDA, IL 62958. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.