Clean Water Act discharge permit · NPDES IL0071447
POPLAR GROVE SOUTH STP, VILLAGE OF, Poplar Grove, IL: NPDES IL0071447 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 31Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
POPLAR GROVE SOUTH STP, VILLAGE OF, held by POPLAR GROVE, VILLAGE OF, holds NPDES permit IL0071447, which discharges to Beaver Creek. EPA’s file records it issued September 26, 2019 and expiring September 30, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | POPLAR GROVE SOUTH STP, VILLAGE OF |
|---|---|
| Permittee as filed | POPLAR GROVE, VILLAGE OF |
| NPDES ID | IL0071447 |
| 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 | September 26, 2019 |
| Expiration date | September 30, 2024 |
| Address | Poplar Grove, IL 61065 |
| Receiving water | BEAVER CREEK |
| Subwatershed | Beaver Creek (HUC 070900060402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 31Pollutants on file
- 31Under a numeric limit
- 11With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 16 | 82 | 48 | September 30, 2025 | 860% over the limit |
| Solids, total suspended | 5 | 68 | 34 | June 30, 2023 | 81,192% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 63 | 19 | May 31, 2026 | 899% over the limit |
| Coliform, fecal general | 1 | 18 | 18 | October 31, 2025 | 99,999% over the limit |
| Phosphorus, total [as P] | 4 | 19 | 17 | August 31, 2025 | 156% over the limit |
| Oxygen, dissolved [DO] | 5 | 13 | 7 | October 31, 2020 | 97% over the limit |
| pH | 2 | 14 | 4 | May 31, 2024 | |
| Flow, in conduit or thru treatment plant | 4 | 26 | 0 | ||
| Chlorine, total residual | 1 | 12 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 6 | 0 | ||
| Nitrogen, total [as N] | 2 | 1 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Manganese, total [as Mn] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenolics, total recoverable | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 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 IL0071447.
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 IL0071447 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.