Clean Water Act discharge permit · NPDES IL0036218
MONMOUTH CONSOLIDATED STP, Monmouth, IL: NPDES IL0036218 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 34Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
MONMOUTH CONSOLIDATED STP, held by MONMOUTH, CITY OF, holds NPDES permit IL0036218, which discharges to Trib-Markham-Cedar-Henderson-Miss N. EPA’s file records it issued August 31, 2010 and expiring August 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 | MONMOUTH CONSOLIDATED STP |
|---|---|
| Permittee as filed | MONMOUTH, CITY OF |
| NPDES ID | IL0036218 |
| 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 | August 31, 2010 |
| Expiration date | August 31, 2015 |
| Address | Monmouth, IL 61462 |
| Receiving water | TRIB-MARKHAM-CEDAR-HENDERSON-MISS N |
| Subwatershed | Headwaters Cedar Creek (HUC 070801040801) |
| Program components on file | Biosolids, POTW |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | ICIS-AIR source IL000187808AAH |
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
- 35Pollutants on file
- 34Under a numeric limit
- 17With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 101 | 83 | February 28, 2014 | 625% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 71 | 35 | March 31, 2010 | 180% over the limit |
| Zinc, total [as Zn] | 5 | 53 | 34 | August 31, 2019 | 65% over the limit |
| Phosphorus, total [as P] | 2 | 35 | 30 | November 30, 2011 | 3,200% over the limit |
| Chloride [as Cl] | 2 | 35 | 28 | June 30, 2026 | 37% over the limit |
| Coliform, fecal general | 1 | 19 | 13 | July 31, 2026 | 60,390% over the limit |
| Solids, total dissolved | 0 | 9 | 5 | August 31, 2010 | 108% over the limit |
| Nitrogen, ammonia total [as N] | 20 | 19 | 3 | July 31, 2013 | 77% over the limit |
| Fats, oils & grease [total o & g less TPH] | 4 | 26 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 19 | 0 | ||
| Oil & Grease | 1 | 12 | 0 | ||
| pH | 2 | 8 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 6 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 6 | 0 | ||
| Nitrogen, total [as N] | 2 | 6 | 0 | ||
| Chlorine, total residual | 1 | 6 | 0 | ||
| Mercury, total [as Hg] | 1 | 2 | 0 | ||
| Cyanide, weak acid, dissociable | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Fluoride, total [as F] | 1 | 0 | 0 | ||
| Arsenic, total [as As] | 1 | 0 | 0 | ||
| Barium, total [as Ba] | 1 | 0 | 0 | ||
| Boron, total [as B] | 1 | 0 | 0 | ||
| Cadmium, total [as Cd] | 1 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 0 | 0 | ||
| Chromium, total [as Cr] | 1 | 0 | 0 | ||
| Copper, total [as Cu] | 1 | 0 | 0 | ||
| Iron, total [as Fe] | 1 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Manganese, total [as Mn] | 1 | 0 | 0 | ||
| Nickel, total [as Ni] | 1 | 0 | 0 | ||
| Silver, total [as Ag] | 1 | 0 | 0 | ||
| Selenium, total [as Se] | 1 | 0 | 0 | ||
| Phenolics, total recoverable | 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 IL0036218.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0036218.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 IL0036218 there.
Nearby on the register
- Discharge permits in Monmouth
- Every permit record in Monmouth, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.