EPA · Maryland · discharge permits by parameter
Oxygen demand, dissolved in Maryland
- 8Permits carrying a limit
- 4With a recorded exceedance
- 8Nationwide
Permits
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| HARFORD COUNTY 4-H CAMP AND DEER CREEK OVERLOOK | MDG767255 | STREET | Minor | DEER CREEK | |
| SMITH EXPORT TERMINAL, INC. | MDR003834 | SPARROWS POINT | Minor | BALTIMORE HARBOR | |
| STE MRAS, LLC | MDG679798 | BALTIMORE | Minor | Middle River | |
| BALTIMORE CITY PUBLIC SCHOOLS DIGITAL HARBOR HIGH SCHOOL 416 | MDG767324 | BALTIMORE | Minor | BALTIMORE HARBOR | |
| BALTIMORE CITY PUBLIC SCHOOLS EDMUNDSON HIGH SCHOOL 400 | MDG767322 | BALTIMORE | Minor | GYWNNS FALLS | |
| BALTIMORE CITY PUBLIC SCHOOLS FOREST PARK HS 406 | MDG767323 | BALTIMORE | Minor | GWYNNS FALLS | |
| CHESAPEAKE BEACH WATER PARK | MDG767369 | CHESAPEAKE BEACH | Minor | ||
| HADLEY FARMS HOA | MDG766837 | GAITHERSBURG | Minor | CABIN BRANCH, GREAT SENECA CREEK |
Other parameters in Maryland
- Solids, total suspended531
- pH498
- Flow, in conduit or thru treatment plant480
- Chlorine, total residual265
- Flow199
- BOD, 5-day, 20 deg. C155
- Nitrite + Nitrate total [as N]145
- Nitrogen, total [as N]141
- Oxygen, dissolved [DO]131
- Zinc, total [as Zn]129
- Nitrogen, ammonia total [as N]117
- Phosphorus, total [as P]116
- Copper, total [as Cu]105
- pH change [range]102
- Oil & Grease98
- Lead, total [as Pb]97
- Iron, total [as Fe]91
- E. coli85
- Coliform, fecal general85
- Solids, settleable83
- Nitrogen, organic total [as N]82
- Flow, total77
- Temperature, water deg. fahrenheit72
- Cyanuric acid71
- Turbidity61
- Nitrogen, Kjeldahl, total [as N]55
- Benzene53
- Toluene51
- Petrol hydrocarbons, total recoverable50
- Phosphate, ortho [as P]46
- Aluminum, total recoverable45
- Temp. diff. between up/down stream deg. F42
- Turbidity, lab, NTU38
- Chloride [as Cl]35
- Methyl tert-butyl ether [MTBE]33
- Solids, total dissolved33
- Hardness, total [as CaCO3]32
- Nitrogen, nitrate total [as N]31
- Copper, total recoverable31
- Silver, total [as Ag]30
- Ethylbenzene29
- Chemical Oxygen Demand [COD]28
- Phosphate, total [as PO4]27
- Naphthalene25
- Nitrogen, nitrite total [as N]24
- Benzene, ethylbenzene, toluene, xylene combination23
- Phosphorous, in total orthophosphate22
- Ethylbenzene22
- Oil and grease22
- Xylene [mix of m+o+p]21
- Suspended Solids, Total21
- BTEX19
- Manganese, total [as Mn]19
- Aluminum, total [as Al]19
- Nickel, total [as Ni]19
- Copper, dissolved [as Cu]18
- Oxygen demand, chem. [COD], dissolved18
- Lead, total recoverable17
- Bromine, reported as the element17
- Xylenes [total], dry weight17