Clean Water Act discharge permit · NPDES MD0051918
CHOPTICON HIGH SCHOOL WWTP, Morganza, MD: NPDES MD0051918 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
CHOPTICON HIGH SCHOOL WWTP, held by CHOPTICON HIGH SCHOOL, holds NPDES permit MD0051918, which discharges to Locust Run Via St. Clements Bay. EPA’s file records it issued May 20, 2011 and expiring May 31, 2016. 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 | CHOPTICON HIGH SCHOOL WWTP |
|---|---|
| Permittee as filed | CHOPTICON HIGH SCHOOL |
| NPDES ID | MD0051918 |
| 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 | May 20, 2011 |
| Expiration date | May 31, 2016 |
| Issuing agency | Maryland Department of The Environment |
| Address | Morganza, MD 20660 |
| Receiving water | LOCUST RUN via St. Clements Bay |
| Subwatershed | Saint Clements Creek-Saint Clements Bay (HUC 020700110701) |
| Other EPA IDs (FRS) | ICIS-AIR source MD0000002403700014 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 11Pollutants on file
- 9Under a numeric limit
- 11With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 76 | 32 | March 31, 2004 | 90,900% over the limit |
| Solids, total suspended | 4 | 265 | 30 | April 30, 2015 | 1,869% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 52 | 15 | October 31, 2012 | 927% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 243 | 6 | April 30, 2015 | 67% over the limit |
| Coliform, fecal general | 1 | 33 | 3 | December 31, 2006 | 150% over the limit |
| E. coli | 1 | 11 | 3 | December 31, 2017 | 99,999% over the limit |
| Chlorine, total residual | 1 | 75 | 2 | March 31, 1999 | 700% over the limit |
| pH | 2 | 74 | 2 | June 30, 2012 | |
| BOD, 5-day, percent removal | 0 | 3 | 2 | February 28, 2026 | 67% over the limit |
| Oxygen, dissolved [DO] | 1 | 36 | 0 | ||
| Solids, suspended percent removal | 0 | 1 | 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 MD0051918.
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, MD0051918.
Start the watch
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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 MD0051918 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.