Clean Water Act discharge permit · NPDES MD0023230
MOUNT ST.MARYS COLLEGE WWTP, Emmitsburg, MD: NPDES MD0023230 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
MOUNT ST.MARYS COLLEGE WWTP, held by MOUNT ST.MARYS COLLEGE, holds NPDES permit MD0023230, which discharges to Toms Creek. EPA’s file records it issued April 25, 2017 and expiring May 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MOUNT ST.MARYS COLLEGE WWTP |
|---|---|
| Permittee as filed | MOUNT ST.MARYS COLLEGE |
| NPDES ID | MD0023230 |
| 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 | April 25, 2017 |
| Expiration date | May 31, 2022 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Emmitsburg, MD 21727 |
| Receiving water | TOMS CREEK |
| Subwatershed | Lower Toms Creek (HUC 020700090303) |
| SIC | 8733 – Noncommercial Research Organizations |
| Other EPA IDs (FRS) | RCRA handler MDR000005801; ICIS-AIR source MD0000002402100140 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 17Pollutants on file
- 14Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 4 | 42 | 42 | March 31, 2024 | 750% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 0 | 32 | 32 | September 30, 1999 | 250% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 26 | 26 | March 31, 2024 | 645% over the limit |
| Solids, total suspended | 4 | 18 | 18 | December 31, 2014 | 278% over the limit |
| E. coli | 1 | 11 | 11 | November 30, 2014 | 1,820% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 8 | 8 | June 30, 2002 | 96,870% over the limit |
| pH | 2 | 1 | 1 | December 31, 2015 | |
| Phosphorous, in total orthophosphate | 0 | 22 | 0 | ||
| Flow, total | 1 | 12 | 0 | ||
| Phosphorus, total [as P] | 4 | 4 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 2 | 0 | ||
| Coliform, fecal general | 0 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Phosphate, ortho [as P] | 1 | 0 | 0 | ||
| Chlorine, total residual | 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 MD0023230.
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.
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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 MD0023230 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 October 14, 2026.