Clean Water Act discharge permit · NPDES MOG490035
MARSHALL JUNCTION QUARRY, Sweet Springs, MO: NPDES MOG490035 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 1Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MARSHALL JUNCTION QUARRY, held by Con-Agg Companies, LLC, holds NPDES permit MOG490035, which discharges to Tributary To Blackwater R.. EPA’s file records it issued May 1, 2022 and expiring April 30, 2027. 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 | MARSHALL JUNCTION QUARRY |
|---|---|
| Permittee as filed | Con-Agg Companies, LLC |
| NPDES ID | MOG490035 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | May 1, 2022 |
| Expiration date | April 30, 2027 |
| Address | Sweet Springs, MO 65351 |
| Receiving water | Tributary to Blackwater R. |
| Subwatershed | Long Branch-Blackwater River (HUC 103001040505) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 1Under a numeric limit
- 6With a violation of any kind
- 0With 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 | 0 | 78 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 0 | 78 | 0 | ||
| pH | 4 | 24 | 0 | ||
| Solids, settleable | 0 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 18 | 0 | ||
| Storm water flow | 0 | 6 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG490035.
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | 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
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, MOG490035.
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 MOG490035 there.
Nearby on the register
- Discharge permits in Sweet Springs
- Every permit record in Sweet Springs, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.