Clean Water Act discharge permit · NPDES MD0003158
NAVAL SUPPORT FACILITY, INDIAN HEAD, Indian Head, MD: NPDES MD0003158 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 19Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
NAVAL SUPPORT FACILITY, INDIAN HEAD, held by Dept. of the Navy, NAVAL SUPPORT FACILITY, INDIAN HEAD, holds NPDES permit MD0003158, which discharges to Potomac_river - Mattawoman Creek. EPA’s file records it issued July 27, 2012 and expiring July 31, 2017. 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 | NAVAL SUPPORT FACILITY, INDIAN HEAD |
|---|---|
| Permittee as filed | Dept. of the Navy, NAVAL SUPPORT FACILITY, INDIAN HEAD |
| NPDES ID | MD0003158 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Federal facility |
| Issued | July 27, 2012 |
| Expiration date | July 31, 2017 |
| Issuing agency | MD DEPARTMENT OF THE ENVIRONMENT |
| Address | Indian Head, MD 20640 |
| Receiving water | POTOMAC_RIVER - MATTAWOMAN CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Occoquan Bay-Potomac River (HUC 020700100805) |
| Other EPA IDs (FRS) | RCRA handler MD4170024109 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 28Pollutants on file
- 19Under a numeric limit
- 28With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 9 | 99 | 21 | May 31, 2018 | 6,317% over the limit |
| Chlorine, total residual | 8 | 69 | 19 | January 31, 2026 | 780% over the limit |
| Phosphorus, total [as P] | 114 | 842 | 10 | December 31, 2015 | 429% over the limit |
| pH | 50 | 361 | 7 | October 31, 2017 | |
| Nitrogen, total [as N] | 114 | 811 | 5 | December 31, 2015 | 185% over the limit |
| Suspended Solids, Total | 0 | 4 | 3 | May 31, 2025 | 158% over the limit |
| Zinc, total [as Zn] | 4 | 29 | 2 | September 30, 2015 | 42% over the limit |
| Oil & Grease | 2 | 14 | 2 | May 31, 2009 | 560% over the limit |
| Temperature, water deg. fahrenheit | 0 | 1 | 1 | August 31, 2005 | 6% over the limit |
| Nitrite + Nitrate total [as N] | 51 | 475 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 51 | 473 | 0 | ||
| Flow, in conduit or thru treatment plant | 30 | 295 | 0 | ||
| Flow, total | 20 | 142 | 0 | ||
| BOD, 5-day, 20 deg. C | 16 | 114 | 0 | ||
| Chemical Oxygen Demand [COD] | 10 | 72 | 0 | ||
| Nitrated Esters [NE] | 8 | 57 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 6 | 57 | 0 | ||
| Temp. diff. between up/down stream deg. F | 14 | 52 | 0 | ||
| Temp. diff. between samp. & upstrm deg. F | 10 | 37 | 0 | ||
| Zinc, dissolved [as Zn] | 4 | 28 | 0 | ||
| Trichloroethene | 4 | 24 | 0 | ||
| Petrol hydrocarbons, total recoverable | 0 | 24 | 0 | ||
| Iron, total [as Fe] | 0 | 6 | 0 | ||
| Flow | 0 | 4 | 0 | ||
| Nitrogen, organic total [as N] | 0 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 2 | 0 | ||
| Total phenols | 0 | 2 | 0 | ||
| Nitroglycerin | 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 MD0003158.
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, MD0003158.
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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 MD0003158 there.
Nearby on the register
- Discharge permits in Indian Head
- Every permit record in Indian Head, A to Z
- Discharge permits in Maryland
- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.