Clean Water Act discharge permit · NPDES IL0074985
SPRING GROVE STP, Spring Grove, IL: NPDES IL0074985 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 30Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SPRING GROVE STP, held by SPRING GROVE, VILLAGE OF, holds NPDES permit IL0074985, which discharges to Nippersink Creek. EPA’s file records it issued June 12, 2018 and expiring June 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SPRING GROVE STP |
|---|---|
| Permittee as filed | SPRING GROVE, VILLAGE OF |
| NPDES ID | IL0074985 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 12, 2018 |
| Expiration date | June 30, 2023 |
| Address | Spring Grove, IL 60081 |
| Receiving water | NIPPERSINK CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Nippersink Creek (HUC 071200060907) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 30Pollutants on file
- 30Under a numeric limit
- 30With a violation of any kind
- 6With 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] | 22 | 315 | 287 | July 31, 2026 | 4,685% over the limit |
| Coliform, fecal general | 1 | 40 | 32 | July 31, 2026 | 99,999% over the limit |
| Solids, total suspended | 5 | 57 | 22 | June 30, 2026 | 143% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 39 | 11 | April 30, 2026 | 298% over the limit |
| Oxygen, dissolved [DO] | 5 | 18 | 2 | August 31, 2025 | 7% over the limit |
| pH | 2 | 15 | 1 | July 31, 2012 | |
| Flow, in conduit or thru treatment plant | 4 | 28 | 0 | ||
| Chlorine, total residual | 1 | 28 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 7 | 0 | ||
| Mercury, total [as Hg] | 2 | 6 | 0 | ||
| Barium, total [as Ba] | 2 | 5 | 0 | ||
| Cadmium, total [as Cd] | 2 | 5 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 5 | 0 | ||
| Chromium, total [as Cr] | 2 | 5 | 0 | ||
| Copper, total [as Cu] | 2 | 5 | 0 | ||
| Iron, total [as Fe] | 2 | 5 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 5 | 0 | ||
| Lead, total [as Pb] | 2 | 5 | 0 | ||
| Manganese, total [as Mn] | 2 | 5 | 0 | ||
| Nickel, total [as Ni] | 2 | 5 | 0 | ||
| Silver, total [as Ag] | 2 | 5 | 0 | ||
| Zinc, total [as Zn] | 2 | 5 | 0 | ||
| Selenium, total [as Se] | 2 | 5 | 0 | ||
| Phenolics, total recoverable | 2 | 5 | 0 | ||
| Oil & Grease | 2 | 4 | 0 | ||
| Cyanide, total [as CN] | 2 | 4 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 4 | 0 | ||
| Fluoride, total [as F] | 2 | 4 | 0 | ||
| Arsenic, total [as As] | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 1 | 3 | 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 IL0074985.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 IL0074985 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.