EPA · Maryland · discharge permits by parameter
Turbidity, lab, NTU in Maryland
- 38Permits carrying a limit
- 1With a recorded exceedance
- 111Nationwide
Permits
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| UPPER POTOMAC RIVER COMM STP | MD0021687 | WESTERNPORT | Major | N BR-POTOMAC RIVER | |
| ADELPHI SWIMMING POOL | MDG767312 | HYATTSVILLE | Minor | Northwest Branch Anacostia River | |
| ATHOLTON SWIM CLUB | MDG767270 | COLUMBIA | Minor | UNAMED TRIBUTARY TO LITTLE PATUXENT RIVER | |
| BRIGHTVIEW AVONDELL | MDG767186 | BEL AIR | Minor | Lower Winters Run | |
| CAMP ST CHARLES | MDG767254 | NEWBURG | Minor | Charleston Creek-Wicomico River | |
| LINTON AT BALLENGER CREEK COMMUNITY ASSOCIATION, INC. | MDG767175 | FREDERICK | Minor | BALLENGER CREEK STREAM | |
| RESIDENCE INN COLUMBIA | MDG767317 | ELLICOTT CITY | Minor | LITTLE PATUXENT RIVER | |
| WOODLAND HILLS | MDG767302 | GAITHERSBURG | Minor | SENECA CREEK | |
| BROOKE MANOR ESTATES | MDG767309 | ROCKVILLE | Minor | UT TO MORTH BRANCH ROCK CREEK, III | |
| CLOVER RIDGE | MDG767311 | FREDERICK | Minor | Tuscarora Creek-Monocacy River | |
| EDINBURG VILLAGE | MDG767305 | GAITHERSBURG | Minor | Great Seneca Creek | |
| GLADE TOWNE COMMUNITY ASSOCIATION, INC. | MDG767326 | WALKERSVILLE | Minor | LOWER MONOCACY RIVER | |
| BANNOCKBURN SWIMMING CLUB | MDG767313 | BETHESDA | Minor | Cabin John Creek | |
| CHEVERLY SWIM AND RACQUET CLUB | MDG767316 | CHEVERLY | Minor | ANACOSTIA RIVER | |
| FOREST KNOLLS SWIMMING POOL | MDG767315 | SILVER SPRING | Minor | ANACOSTIA RIVER |
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
- 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
- Poly[hexamethylenebiguanide] hydrochloride16