Clean Water Act discharge permit · NPDES IL0020796
LINDENHURST SD STP, Lindenhurst, IL: NPDES IL0020796 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 37Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
LINDENHURST SD STP, held by LINDENHURST SANITARY DISTRICT, holds NPDES permit IL0020796, which discharges to Hstgs To N Mill Ck To Desplaines Rv. EPA’s file records it issued June 11, 2015 and expiring June 30, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LINDENHURST SD STP |
|---|---|
| Permittee as filed | LINDENHURST SANITARY DISTRICT |
| NPDES ID | IL0020796 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 11, 2015 |
| Expiration date | June 30, 2020 |
| Address | Lindenhurst, IL 60046 |
| Receiving water | HSTGS TO N MILL CK TO DESPLAINES RV |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | North Mill Creek (HUC 071200040201) |
| Program components on file | Biosolids, POTW |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler ILR000019448 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 37Pollutants on file
- 37Under a numeric limit
- 30With a violation of any kind
- 4With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 13 | 13 | October 31, 2023 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 28 | 18 | 8 | May 31, 2020 | 370% over the limit |
| Chlorine, total residual | 4 | 5 | 1 | October 31, 2003 | 1,980% over the limit |
| Phosphorus, total [as P] | 8 | 1 | 1 | September 30, 2018 | 7% over the limit |
| Solids, total suspended | 9 | 10 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 8 | 0 | ||
| pH | 4 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 10 | 3 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 2 | 0 | ||
| Zinc, total [as Zn] | 10 | 1 | 0 | ||
| Oil & Grease | 2 | 1 | 0 | ||
| Cyanide, weak acid, dissociable | 2 | 1 | 0 | ||
| Cyanide, total [as CN] | 2 | 1 | 0 | ||
| Fluoride, total [as F] | 2 | 1 | 0 | ||
| Arsenic, total [as As] | 2 | 1 | 0 | ||
| Barium, total [as Ba] | 2 | 1 | 0 | ||
| Cadmium, total [as Cd] | 2 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 1 | 0 | ||
| Chromium, total [as Cr] | 2 | 1 | 0 | ||
| Copper, total [as Cu] | 2 | 1 | 0 | ||
| Iron, total [as Fe] | 2 | 1 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 1 | 0 | ||
| Lead, total [as Pb] | 2 | 1 | 0 | ||
| Manganese, total [as Mn] | 2 | 1 | 0 | ||
| Nickel, total [as Ni] | 2 | 1 | 0 | ||
| Silver, total [as Ag] | 2 | 1 | 0 | ||
| Selenium, total [as Se] | 2 | 1 | 0 | ||
| Phenolics, total recoverable | 2 | 1 | 0 | ||
| Mercury, total [as Hg] | 2 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 0 | 0 | ||
| Specific conductance | 2 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, dissolved | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0020796.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.