Clean Water Act discharge permit · NPDES IL0021113
MORRIS - MAIN STP, Morris, IL: NPDES IL0021113 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 33Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MORRIS - MAIN STP, held by MORRIS, CITY OF, holds NPDES permit IL0021113, which discharges to Illinois River. EPA’s file records it issued July 16, 2020 and expiring July 31, 2025. 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 | MORRIS - MAIN STP |
|---|---|
| Permittee as filed | MORRIS, CITY OF |
| NPDES ID | IL0021113 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 16, 2020 |
| Expiration date | July 31, 2025 |
| Address | Morris, IL 60450 |
| Receiving water | ILLINOIS RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | East Fork Nettle Creek (HUC 071200050601) |
| 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
- 34Pollutants on file
- 33Under a numeric limit
- 33With 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 | 4 | 27 | 21 | October 31, 2019 | 424,900% over the limit |
| Nitrogen, ammonia total [as N] | 7 | 16 | 12 | July 31, 2026 | 812% over the limit |
| Chlorine, total residual | 4 | 6 | 2 | June 30, 2026 | 320% over the limit |
| pH | 6 | 11 | 1 | August 31, 2014 | |
| BOD, carbonaceous [5 day, 20 C] | 4 | 12 | 0 | ||
| Solids, total suspended | 7 | 9 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 5 | 0 | ||
| Oil & Grease | 2 | 2 | 0 | ||
| Cyanide, total [as CN] | 2 | 2 | 0 | ||
| Fluoride, total [as F] | 2 | 2 | 0 | ||
| Arsenic, total [as As] | 2 | 2 | 0 | ||
| Barium, total [as Ba] | 2 | 2 | 0 | ||
| Cadmium, total [as Cd] | 2 | 2 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 2 | 0 | ||
| Chromium, total [as Cr] | 2 | 2 | 0 | ||
| Copper, total [as Cu] | 2 | 2 | 0 | ||
| Iron, total [as Fe] | 2 | 2 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 2 | 0 | ||
| Lead, total [as Pb] | 2 | 2 | 0 | ||
| Manganese, total [as Mn] | 2 | 2 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Silver, total [as Ag] | 2 | 2 | 0 | ||
| Zinc, total [as Zn] | 2 | 2 | 0 | ||
| Selenium, total [as Se] | 2 | 2 | 0 | ||
| Phenolics, total recoverable | 2 | 2 | 0 | ||
| Mercury, total [as Hg] | 2 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 1 | 0 | ||
| Phosphorus, total [as P] | 3 | 1 | 0 | ||
| Nitrogen, total [as N] | 2 | 1 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 1 | 0 | ||
| Flow, total | 2 | 1 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 1 | 1 | 0 | ||
| Cyanide, weak acid, dissociable | 0 | 1 | 0 | ||
| Overflows | 4 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 11, 2026 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| June 21, 2026 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| June 17, 2026 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| June 10, 2026 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| April 2, 2025 | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
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.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IL0021113 there.
Nearby on the register
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- Every permit record in Morris, A to Z
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.