Clean Water Act discharge permit · NPDES WV1016954
MUDDY BRIDGE NO.1 AND NO. 2 DEEP MINES, Davin, WV: NPDES WV1016954 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MUDDY BRIDGE NO.1 AND NO. 2 DEEP MINES, held by GREENBRIER MINERALS, LLC, holds NPDES permit WV1016954, which discharges to Muddy Bridge Br. EPA’s file records it issued September 14, 2020 and expiring September 9, 2025. 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 | MUDDY BRIDGE NO.1 AND NO. 2 DEEP MINES |
|---|---|
| Permittee as filed | GREENBRIER MINERALS, LLC |
| NPDES ID | WV1016954 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 14, 2020 |
| Expiration date | September 9, 2025 |
| Address | Davin, WV 25617 |
| Receiving water | MUDDY BRIDGE BR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Huff Creek (HUC 050701010504) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 19With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Toxicity [chronic], Ceriodaphnia dubia | 3 | 11 | 2 | March 31, 2025 | 1,851% over the limit |
| Aluminum, total [as Al] | 18 | 10 | 1 | September 30, 2022 | 61% over the limit |
| Solids, settleable | 4 | 161 | 0 | ||
| Specific conductance | 15 | 17 | 0 | ||
| Sulfate, total [as SO4] | 15 | 17 | 0 | ||
| Solids, total dissolved | 15 | 17 | 0 | ||
| Manganese, total [as Mn] | 18 | 9 | 0 | ||
| Aluminum, dissolved [as Al] | 18 | 9 | 0 | ||
| Alkalinity, total [as CaCO3] | 6 | 9 | 0 | ||
| Calcium, total [as Ca] | 6 | 9 | 0 | ||
| Magnesium, total [as Mg] | 6 | 9 | 0 | ||
| Sodium, total [as Na] | 6 | 9 | 0 | ||
| Potassium, total [as K] | 6 | 9 | 0 | ||
| Selenium, total recoverable | 6 | 9 | 0 | ||
| Iron, total [as Fe] | 16 | 8 | 0 | ||
| pH | 12 | 6 | 0 | ||
| Solids, total suspended | 9 | 6 | 0 | ||
| Stream flow, instantaneous | 8 | 4 | 0 | ||
| Flow rate | 4 | 2 | 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 WV1016954.
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 WV1016954 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.