Clean Water Act discharge permit · NPDES MDG499888
PERRYVILLE PLANT, Perryville, MD: NPDES MDG499888 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
PERRYVILLE PLANT holds NPDES permit MDG499888, which discharges to Principio Creek. EPA’s file records it issued January 3, 2018 and expiring April 30, 2022. 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 | PERRYVILLE PLANT |
|---|---|
| Permittee as filed | PERRYVILLE PLANT |
| NPDES ID | MDG499888 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 3, 2018 |
| Expiration date | April 30, 2022 |
| Issuing agency | Maryland Department of The Environment |
| Address | Perryville, MD 21903 |
| Receiving water | PRINCIPIO CREEK |
| Subwatershed | Mill Creek-Furnace Bay (HUC 020600020103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 7With a violation of any kind
- 4With 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 | 8 | 202 | 14 | February 29, 2024 | 201% over the limit |
| Temperature, water deg. fahrenheit | 2 | 114 | 6 | September 30, 2017 | 25% over the limit |
| Solids, settleable | 2 | 106 | 4 | March 31, 2010 | 2,300% over the limit |
| pH | 8 | 181 | 1 | March 31, 2016 | |
| Flow, in conduit or thru treatment plant | 6 | 200 | 0 | ||
| pH change [range] | 4 | 192 | 0 | ||
| Temp. diff. between up/down stream deg. F | 2 | 112 | 0 | ||
| Temp. difference, summer [deg. F] | 1 | 0 | 0 | ||
| Temperature, summer [deg. F] | 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 MDG499888.
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, MDG499888.
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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 MDG499888 there.
Nearby on the register
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- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.