Clean Water Act discharge permit · NPDES IL0064998
CREST HILL EAST STP, CITY OF, Crest Hill, IL: NPDES IL0064998 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 52Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
CREST HILL EAST STP, CITY OF, held by CREST HILL, CITY OF, holds NPDES permit IL0064998, which discharges to Des Plaines River. EPA’s file records it issued December 9, 2010 and expiring December 31, 2015. 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 | CREST HILL EAST STP, CITY OF |
|---|---|
| Permittee as filed | CREST HILL, CITY OF |
| NPDES ID | IL0064998 |
| 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 | December 9, 2010 |
| Expiration date | December 31, 2015 |
| Address | Crest Hill, IL 60435 |
| Receiving water | DES PLAINES RIVER |
| Subwatershed | Forked Creek (HUC 071200011703) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 60Pollutants on file
- 52Under a numeric limit
- 41With a violation of any kind
- 7With 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 | 39 | 20 | July 31, 2026 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 56 | 115 | 10 | September 30, 2025 | 438% over the limit |
| Solids, total suspended | 6 | 95 | 10 | January 31, 2026 | 217% over the limit |
| Copper, dry weight | 3 | 10 | 10 | December 31, 2011 | 117% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 33 | 3 | May 31, 2018 | 230% over the limit |
| Copper, total [as Cu] | 5 | 44 | 2 | June 30, 2014 | 129% over the limit |
| Chlorine, total residual | 3 | 33 | 2 | October 31, 2015 | 900% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 64 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 53 | 0 | ||
| pH | 4 | 52 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 45 | 0 | ||
| Phosphorus, total [as P] | 1 | 45 | 0 | ||
| Nitrogen, total [as N] | 1 | 15 | 0 | ||
| Flow, total | 1 | 14 | 0 | ||
| Cadmium, total [as Cd] | 1 | 9 | 0 | ||
| Lead, total [as Pb] | 1 | 9 | 0 | ||
| Oil & Grease | 1 | 7 | 0 | ||
| Cyanide, total [as CN] | 1 | 7 | 0 | ||
| Fluoride, total [as F] | 1 | 7 | 0 | ||
| Arsenic, total [as As] | 1 | 7 | 0 | ||
| Barium, total [as Ba] | 1 | 7 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 7 | 0 | ||
| Chromium, total [as Cr] | 1 | 7 | 0 | ||
| Iron, total [as Fe] | 1 | 7 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 7 | 0 | ||
| Manganese, total [as Mn] | 1 | 7 | 0 | ||
| Nickel, total [as Ni] | 1 | 7 | 0 | ||
| Silver, total [as Ag] | 1 | 7 | 0 | ||
| Zinc, total [as Zn] | 1 | 7 | 0 | ||
| Selenium, total [as Se] | 1 | 7 | 0 | ||
| Phenolics, total recoverable | 1 | 7 | 0 | ||
| Mercury, total [as Hg] | 1 | 7 | 0 | ||
| Cyanide, weak acid, dissociable | 1 | 5 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 5 | 0 | ||
| Specific conductance | 0 | 5 | 0 | ||
| Alkalinity, total [as CaCO3] | 0 | 5 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 5 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 5 | 0 | ||
| Phosphorus, dissolved | 0 | 5 | 0 | ||
| Chloride [as Cl] | 0 | 5 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 2 | 0 | ||
| Arsenic, dry weight | 3 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Pollutant table from 503.13 | 1 | 0 | 0 | ||
| Level of pathogen requirements achieved | 1 | 0 | 0 | ||
| Description of pathogen option used | 1 | 0 | 0 | ||
| Vector attraction reduction alternative used | 1 | 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 IL0064998.
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.