Clean Water Act discharge permit · NPDES MD0056545
SOD RUN WASTEWATER TREATMENT, Perryman, MD: NPDES MD0056545 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
SOD RUN WASTEWATER TREATMENT, held by Harford County DPW (Sod Run WWTP), holds NPDES permit MD0056545, which discharges to Bush River. EPA’s file records it issued January 21, 2016 and expiring February 28, 2021. 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 | SOD RUN WASTEWATER TREATMENT |
|---|---|
| Permittee as filed | Harford County DPW (Sod Run WWTP) |
| NPDES ID | MD0056545 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 21, 2016 |
| Expiration date | February 28, 2021 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Perryman, MD 21130 |
| Receiving water | BUSH RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bush River (HUC 020600030106) |
| Other EPA IDs (FRS) | RCRA handler MDP000009972 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 17Pollutants on file
- 15Under a numeric limit
- 13With a violation of any kind
- 3With 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 | 27 | 26 | June 30, 2004 | 38% over the limit |
| Phosphorus, total [as P] | 6 | 6 | 2 | November 30, 2000 | 253% over the limit |
| pH | 2 | 4 | 2 | March 31, 2005 | |
| Peracetic Acid | 0 | 18 | 0 | ||
| BOD, 5-day, 20 deg. C | 8 | 4 | 0 | ||
| Solids, total suspended | 8 | 4 | 0 | ||
| Coliform, fecal general | 0 | 4 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 3 | 0 | ||
| Nitrogen, total [as N] | 5 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 2 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 3 | 1 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Phosphate, ortho [as P] | 1 | 0 | 0 | ||
| E. coli | 1 | 0 | 0 | ||
| Flow | 1 | 0 | 0 | ||
| Flow, total | 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 MD0056545.
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 MD0056545 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.