Clean Water Act discharge permit · NPDES MD3102N06
ASHLEIGH KNOLLS SHARED SEWAGE DISPOSAL FACILITY, Clarksville, MD: NPDES MD3102N06 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
ASHLEIGH KNOLLS SHARED SEWAGE DISPOSAL FACILITY, held by HOWARD COUNTY DPW BUREAU OF UTILITIES, holds NPDES permit MD3102N06, which discharges to Little Patuxent River. EPA’s file records it issued June 12, 2014 and expiring July 31, 2019. 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 | ASHLEIGH KNOLLS SHARED SEWAGE DISPOSAL FACILITY |
|---|---|
| Permittee as filed | HOWARD COUNTY DPW BUREAU OF UTILITIES |
| NPDES ID | MD3102N06 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 12, 2014 |
| Expiration date | July 31, 2019 |
| Issuing agency | MD DEPARTMENT OF THE ENVIRONMENT |
| Address | Clarksville, MD 21029 |
| Receiving water | LITTLE PATUXENT RIVER |
| Subwatershed | Benson Branch-Middle Patuxent River (HUC 020600060201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 11Under a numeric limit
- 13With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 5 | 46 | 26 | December 31, 2025 | 210% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 39 | 14 | June 30, 2026 | 108% over the limit |
| Nitrogen, nitrate total [as NO3] | 9 | 40 | 8 | December 31, 2025 | 180% over the limit |
| Coliform, fecal general | 9 | 34 | 2 | December 31, 2024 | 2,147,483,650% over the limit |
| Solids, total dissolved | 9 | 33 | 1 | December 31, 2023 | 3% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 10 | 40 | 0 | ||
| pH | 9 | 32 | 0 | ||
| Phosphate, total [as PO4] | 9 | 32 | 0 | ||
| Chloride | 9 | 32 | 0 | ||
| Nitrogen, nitrite total [as NO2] | 9 | 32 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 17 | 0 | ||
| Solids, total suspended | 0 | 17 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 8 | 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 MD3102N06.
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, MD3102N06.
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- One watershed — $2,990/year
- One state — $4,990/year
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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 MD3102N06 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.