Clean Water Act discharge permit · NPDES MD0066087
HARWOOD LANDFILL,INC., Harwood, MD: NPDES MD0066087 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
HARWOOD LANDFILL,INC., held by HARWOOD LANDFILL, INC., holds NPDES permit MD0066087, which discharges to Patuxent River- Middle. EPA’s file records it issued September 29, 2016 and expiring October 31, 2021. 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 | HARWOOD LANDFILL,INC. |
|---|---|
| Permittee as filed | HARWOOD LANDFILL, INC. |
| NPDES ID | MD0066087 |
| 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 | September 29, 2016 |
| Expiration date | October 31, 2021 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Harwood, MD 20776 |
| Receiving water | PATUXENT RIVER- MIDDLE |
| Subwatershed | Wilson Owens Branch-Patuxent River (HUC 020600060403) |
| SIC | 4953 – Refuse Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 87Pollutants on file
- 16Under a numeric limit
- 87With a violation of any kind
- 4With 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; the 60 with the most exceedances of 87 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Iron, total [as Fe] | 8 | 106 | 84 | June 30, 2026 | 286% over the limit |
| Cadmium, total [as Cd] | 8 | 82 | 60 | March 31, 2026 | 820% over the limit |
| Solids, total suspended | 4 | 63 | 17 | June 30, 2025 | 137% over the limit |
| pH | 4 | 49 | 3 | June 30, 2013 | |
| Flow, in conduit or thru treatment plant | 4 | 46 | 0 | ||
| Nickel, total [as Ni] | 6 | 22 | 0 | ||
| Sulfate, total [as SO4] | 4 | 22 | 0 | ||
| Zinc, total [as Zn] | 4 | 22 | 0 | ||
| Vanadium, total [as V] | 0 | 19 | 0 | ||
| Bromoform | 0 | 19 | 0 | ||
| Arsenic, total [as As] | 4 | 18 | 0 | ||
| Beryllium, total [as Be] | 4 | 18 | 0 | ||
| Copper, total [as Cu] | 4 | 18 | 0 | ||
| Turbidity | 0 | 18 | 0 | ||
| Alkalinity, total [as CaCO3] | 0 | 18 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 18 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 18 | 0 | ||
| Calcium, total [as Ca] | 0 | 18 | 0 | ||
| Magnesium, total [as Mg] | 0 | 18 | 0 | ||
| Sodium, total [as Na] | 0 | 18 | 0 | ||
| Potassium, total [as K] | 0 | 18 | 0 | ||
| Chloride [as Cl] | 0 | 18 | 0 | ||
| Barium, total [as Ba] | 0 | 18 | 0 | ||
| Chromium, total [as Cr] | 0 | 18 | 0 | ||
| Cobalt, total [as Co] | 0 | 18 | 0 | ||
| Lead, total [as Pb] | 0 | 18 | 0 | ||
| Manganese, total [as Mn] | 0 | 18 | 0 | ||
| Thallium, total [as Tl] | 0 | 18 | 0 | ||
| Silver, total [as Ag] | 0 | 18 | 0 | ||
| Antimony, total [as Sb] | 0 | 18 | 0 | ||
| Selenium, total [as Se] | 0 | 18 | 0 | ||
| 1,2-cis-Dichloroethene | 0 | 18 | 0 | ||
| Methyl tert-butyl ether [MTBE] | 0 | 18 | 0 | ||
| Carbon tetrachloride | 0 | 18 | 0 | ||
| Dibromochloromethane | 0 | 18 | 0 | ||
| Chloroform | 0 | 18 | 0 | ||
| Toluene | 0 | 18 | 0 | ||
| Benzene | 0 | 18 | 0 | ||
| Acrylonitrile | 0 | 18 | 0 | ||
| Chlorobenzene | 0 | 18 | 0 | ||
| Chloroethane, total weight | 0 | 18 | 0 | ||
| Methylene chloride | 0 | 18 | 0 | ||
| Trichlorofluoromethane | 0 | 18 | 0 | ||
| 1,1-Dichloroethane | 0 | 18 | 0 | ||
| 1,1,1-Trichloroethane | 0 | 18 | 0 | ||
| 1,1,2-Trichloroethane | 0 | 18 | 0 | ||
| 1,1,2,2-Tetrachloroethane | 0 | 18 | 0 | ||
| 1,2-Dichloroethane, total weight | 0 | 18 | 0 | ||
| 1,2-Dichlorobenzene | 0 | 18 | 0 | ||
| 1,2-Dichloropropane | 0 | 18 | 0 | ||
| 1,4-Dichlorobenzene | 0 | 18 | 0 | ||
| trans-1,3-Dichloropropene | 0 | 18 | 0 | ||
| cis-1,3-Dichloropropene | 0 | 18 | 0 | ||
| Bromomethane | 0 | 18 | 0 | ||
| Chloromethane | 0 | 18 | 0 | ||
| Dibromomethane [Methylene Bromide] | 0 | 18 | 0 | ||
| Vinyl chloride | 0 | 18 | 0 | ||
| 1,2-Dibromo-3-chloropropane | 0 | 18 | 0 | ||
| trans-1,4-Dichloro-2-butene | 0 | 18 | 0 | ||
| Bromodichloromethane | 0 | 18 | 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 MD0066087.
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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.