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Blast Furnaces And Steel Mills, major discharger, Baltimore County, Maryland. NPDES permit MD0001201, in force until Jan 31, 2028. Last 12 months: over a limit once (last March 2026), 10 required values missing, 1 of 94 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Copper, total [as Cu], maximum monthly average | 3.72 ug/L | ≤ 3.1 ug/L | 20% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 22 mg/L | all year | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 61 mg/L | all year | 006 |
| pH | daily minimum | ≥ 6 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| pH | monthly average minimum | ≥ 6 SU | all year | 006 |
| pH | maximum monthly average | ≤ 9 SU | all year | 006 |
| Solids, total suspended | maximum monthly average | ≤ 26 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 58 mg/L | all year | 006 |
| Solids, total suspended | monthly load | report only (lb/mo) | all year | 006 |
| Solids, total suspended | annual maximum | ≤ 147100 lb/yr | all year | 006 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 006 |
| Oil & Grease | maximum monthly average | ≤ 10 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, total [as N] | annual maximum | ≤ 316776 lb/yr | all year | 006 |
| Nitrogen, total [as N] | monthly total | report only (lb/mo) | all year | 006 |
| Nitrogen, total [as N] | EPA's "SEAN MAX" | ≤ 158388 lb/yr | May–Oct | 006 |
| Nitrogen, total [as N] | monthly total | report only (lb/mo) | May–Oct | 006 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, organic total [as N] | monthly load | report only (lb/mo) | all year | 006 |
| Nitrogen, organic total [as N] | annual maximum | report only (lb/yr) | all year | 006 |
| Nitrogen, organic total [as N] | EPA's "SEAN MAX" | report only (lb/yr) | all year | 006 |
| Ammonia nitrogen, total, [as N] 30 day | daily maximum | report only (mg/L) | all year | 006 |
| Ammonia nitrogen, total, [as N] 30 day | monthly load | report only (lb/mo) | all year | 006 |
| Ammonia nitrogen, total, [as N] 30 day | EPA's "SEAN MAX" | report only (lb/yr) | all year | 006 |
| Ammonia nitrogen, total, [as N] 30 day | annual maximum | report only (lb/yr) | all year | 006 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrite + Nitrate total [as N] | monthly load | report only (mg/mo) | all year | 006 |
| Nitrite + Nitrate total [as N] | annual maximum | report only (lb/yr) | all year | 006 |
| Nitrite + Nitrate total [as N] | EPA's "SEAN MAX" | report only (lb/yr) | all year | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | annual maximum | ≤ 15267 lb/yr | all year | 006 |
| Phosphorus, total [as P] | monthly total | report only (lb/mo) | all year | 006 |
| Phosphorus, total [as P] | EPA's "SEAN MAX" | ≤ 7632 lb/yr | May–Oct | 006 |
| Phosphorus, total [as P] | monthly load | report only (lb/yr) | Jan, Feb, Mar, Apr, Nov, Dec | 006 |
| Cyanide, total [as CN] | monthly average | report only (ug/L) | all year | 006 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 006 |
| Arsenic, total [as As] | maximum monthly average | ≤ 36 ug/L | all year | 006 |
| Arsenic, total [as As] | daily maximum | ≤ 69 ug/L | all year | 006 |
| Cadmium, total [as Cd] | maximum monthly average | ≤ 8.8 ug/L | all year | 006 |
| Cadmium, total [as Cd] | daily maximum | ≤ 40 ug/L | all year | 006 |
| Chromium, total [as Cr] | maximum monthly average | ≤ 323 ug/L | all year | 006 |
| Chromium, total [as Cr] | daily maximum | ≤ 746 ug/L | all year | 006 |
| Cobalt, total [as Co] | maximum monthly average | ≤ 124 ug/L | all year | 006 |
| Cobalt, total [as Co] | daily maximum | ≤ 192 ug/L | all year | 006 |
| Copper, total [as Cu] | maximum monthly average | ≤ 3.1 ug/L | all year | 006 |
| Copper, total [as Cu] | daily maximum | ≤ 6.1 ug/L | all year | 006 |
| Lead, total [as Pb] | maximum monthly average | ≤ 8.1 ug/L | all year | 006 |
| Lead, total [as Pb] | daily maximum | ≤ 210 ug/L | all year | 006 |
| Nickel, total [as Ni] | maximum monthly average | ≤ 8.2 ug/L | all year | 006 |
| Nickel, total [as Ni] | daily maximum | ≤ 74 ug/L | all year | 006 |
| Silver, total [as Ag] | maximum monthly average | ≤ 1.9 ug/L | all year | 006 |
| Silver, total [as Ag] | daily maximum | ≤ 1.9 ug/L | all year | 006 |
| Vanadium, total [as V] | maximum monthly average | ≤ 66.2 ug/L | all year | 006 |
| Vanadium, total [as V] | daily maximum | ≤ 218 ug/L | all year | 006 |
| Zinc, total [as Zn] | maximum monthly average | ≤ 81 ug/L | all year | 006 |
| Zinc, total [as Zn] | daily maximum | ≤ 90 ug/L | all year | 006 |
| Antimony, total [as Sb] | maximum monthly average | ≤ 206 ug/L | all year | 006 |
| Antimony, total [as Sb] | daily maximum | ≤ 249 ug/L | all year | 006 |
| Tin, total [as Sn] | maximum monthly average | ≤ 120 ug/L | all year | 006 |
| Tin, total [as Sn] | daily maximum | ≤ 335 ug/L | all year | 006 |
| Titanium, total [as Ti] | maximum monthly average | ≤ 61.8 ug/L | all year | 006 |
| Titanium, total [as Ti] | daily maximum | ≤ 94.7 ug/L | all year | 006 |
| Toluene | daily maximum | ≤ 15000 ug/L | all year | 006 |
| Benzene | daily maximum | ≤ 510 ug/L | all year | 006 |
| Butyl benzyl phthalate | maximum monthly average | ≤ 88.7 ug/L | all year | 006 |
| Butyl benzyl phthalate | daily maximum | ≤ 188 ug/L | all year | 006 |
| Ethylbenzene | daily maximum | ≤ 2100 ug/L | all year | 006 |
| Fluoranthene | maximum monthly average | ≤ 26.8 ug/L | all year | 006 |
| Fluoranthene | daily maximum | ≤ 53.7 ug/L | all year | 006 |
| Phenanthrene | daily maximum | ≤ .34 mg/L | all year | 006 |
| 2,4,6-Trichlorophenol | maximum monthly average | ≤ 106 ug/L | all year | 006 |
| 2,4,6-Trichlorophenol | daily maximum | ≤ 155 ug/L | all year | 006 |
| Phenol | monthly average | ≤ 1080 ug/L | all year | 006 |
| Phenol | daily maximum | ≤ 3650 ug/L | all year | 006 |
| Naphthalene | daily maximum | ≤ 700 ug/L | all year | 006 |
| Di[2-ethylhexyl] phthalate [DEHP] | maximum monthly average | ≤ 22 ug/L | all year | 006 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ 215 ug/L | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Chlorine, total residual | maximum monthly average | ≤ 7.5 ug/L | all year | 006 |
| Chlorine, total residual | daily maximum | ≤ 13 ug/L | all year | 006 |
| Volatile Organic Compound [VOC] | daily maximum | report only (ug/L) | all year | 006 |
| Enterococci | maximum monthly average | ≤ 35 MPN/100mL | all year | 006 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 006 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 006 |
| Mercury, total [as Hg] | maximum monthly average | ≤ .739 ug/L | all year | 006 |
| Mercury, total [as Hg] | daily maximum | ≤ 1.8 ug/L | all year | 006 |
| Xylenes [total], dry weight | daily maximum | ≤ 10000 ug/L | all year | 006 |
| Pyridine | maximum monthly average | ≤ 182 ug/L | all year | 006 |
| Pyridine | daily maximum | ≤ 370 ug/L | all year | 006 |
| p-Cresol | maximum monthly average | ≤ 205 ug/L | all year | 006 |
| p-Cresol | daily maximum | ≤ 698 ug/L | all year | 006 |
| n-Decane | maximum monthly average | ≤ 437 ug/L | all year | 006 |
| n-Decane | daily maximum | ≤ 948 ug/L | all year | 006 |
| Carbazole | maximum monthly average | ≤ 276 ug/L | all year | 006 |
| Carbazole | daily maximum | ≤ 598 ug/L | all year | 006 |
| n-Octadecane | maximum monthly average | ≤ 302 ug/L | all year | 006 |
| n-Octadecane | daily maximum | ≤ 589 ug/L | all year | 006 |
| 2-Butanone | maximum monthly average | ≤ 1850 ug/L | all year | 006 |
| 2-Butanone | daily maximum | ≤ 4810 ug/L | all year | 006 |
| o-Cresol [2-Methylphenol] | maximum monthly average | ≤ 561 ug/L | all year | 006 |
| o-Cresol [2-Methylphenol] | daily maximum | ≤ 1920 ug/L | all year | 006 |
| Cyanide, Available | maximum monthly average | ≤ 1 ug/L | all year | 006 |
| Cyanide, Available | daily maximum | ≤ 1 ug/L | all year | 006 |
| Acetone | maximum monthly average | ≤ 7970 ug/L | all year | 006 |
| Acetone | daily maximum | ≤ 30200 ug/L | all year | 006 |
| Acetophenone | maximum monthly average | ≤ 56.2 ug/L | all year | 006 |
| Acetophenone | daily maximum | ≤ 114 ug/L | all year | 006 |
| Cadmium, total [as Cd] | maximum monthly average | ≤ .04 mg/L (alert, not enforceable) | all year | 008 |
| Cadmium, total [as Cd] | maximum monthly average | ≤ .04 mg/L (alert, not enforceable) | all year | 008 |
| Zinc, total [as Zn] | maximum monthly average | ≤ .09 mg/L (alert, not enforceable) | all year | 008 |
| Zinc, total [as Zn] | maximum monthly average | ≤ .09 mg/L (alert, not enforceable) | all year | 008 |
| Toluene | maximum monthly average | ≤ 15 mg/L (alert, not enforceable) | all year | 008 |
| Toluene | maximum monthly average | ≤ 15 mg/L (alert, not enforceable) | all year | 008 |
| Benzene | maximum monthly average | ≤ .51 mg/L (alert, not enforceable) | all year | 008 |
| Benzene | maximum monthly average | ≤ .51 mg/L (alert, not enforceable) | all year | 008 |
| Ethylbenzene | maximum monthly average | ≤ 2.1 mg/L (alert, not enforceable) | all year | 008 |
| Ethylbenzene | monthly average | ≤ 2.1 mg/L (alert, not enforceable) | all year | 008 |
| Naphthalene | maximum monthly average | ≤ .7 mg/L (alert, not enforceable) | all year | 008 |
| Naphthalene | maximum monthly average | ≤ .7 mg/L (alert, not enforceable) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) (alert, not enforceable) | all year | 008 |
| Xylenes [total], dry weight | maximum monthly average | ≤ 10 mg/L (alert, not enforceable) | all year | 008 |
| Xylenes [total], dry weight | maximum monthly average | ≤ 10 mg/L (alert, not enforceable) | all year | 008 |
| Arsenic, Inorganic | daily maximum | report only (mg/L) | all year | 012 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 013 |
| BOD, 5-day | maximum monthly average | ≤ 22 mg/L | all year | 014 |
| BOD, 5-day | daily maximum | ≤ 61 mg/L | all year | 014 |
| pH | monthly average minimum | ≥ 6 SU | all year | 014 |
| pH | maximum monthly average | ≤ 9 SU | all year | 014 |
| pH | daily minimum | ≥ 6 SU | all year | 014 |
| pH | daily maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | maximum monthly average | ≤ 26 mg/L | all year | 014 |
| Solids, total suspended | daily maximum | ≤ 58 mg/L | all year | 014 |
| Solids, total suspended | annual maximum | ≤ 147100 lb/yr | all year | 014 |
| Solids, total suspended | monthly load | report only (lb/mo) | all year | 014 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 014 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 014 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 014 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 014 |
| Nitrogen, total [as N] | annual maximum | ≤ 316776 lb/yr | all year | 014 |
| Nitrogen, total [as N] | monthly load | report only (lb/mo) | all year | 014 |
| Nitrogen, total [as N] | EPA's "SEAN MAX" | ≤ 158388 lb/yr | May–Oct | 014 |
| Nitrogen, total [as N] | monthly average | report only (lb/yr) | Jan, Feb, Mar, Apr, Nov, Dec | 014 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 014 |
| Nitrogen, organic total [as N] | annual maximum | report only (lb/yr) | all year | 014 |
| Nitrogen, organic total [as N] | monthly load | report only (lb/mo) | all year | 014 |
| Nitrogen, organic total [as N] | EPA's "SEAN MAX" | report only (lb/yr) | all year | 014 |
| Nitrogen, ammonia total [as N] | monthly load | report only (lb/mo) | all year | 014 |
| Nitrogen, ammonia total [as N] | annual maximum | report only (lb/yr) | all year | 014 |
| Nitrogen, ammonia total [as N] | EPA's "SEAN MAX" | report only (lb/yr) | all year | 014 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 014 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 014 |
| Nitrite + Nitrate total [as N] | monthly load | report only (lb/mo) | all year | 014 |
| Nitrite + Nitrate total [as N] | annual maximum | report only (lb/yr) | all year | 014 |
| Nitrite + Nitrate total [as N] | EPA's "SEAN MAX" | report only (lb/yr) | all year | 014 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 014 |
| Phosphorus, total [as P] | annual maximum | ≤ 15267 lb/yr | all year | 014 |
| Phosphorus, total [as P] | monthly load | report only (lb/mo) | all year | 014 |
| Phosphorus, total [as P] | EPA's "SEAN MAX" | ≤ 7632 lb/yr | May–Oct | 014 |
| Cyanide, total [as CN] | maximum monthly average | report only (ug/L) | all year | 014 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 014 |
| Arsenic, total [as As] | maximum monthly average | ≤ 36 ug/L | all year | 014 |
| Arsenic, total [as As] | daily maximum | ≤ 69 ug/L | all year | 014 |
| Cadmium, total [as Cd] | maximum monthly average | ≤ 8.8 ug/L | all year | 014 |
| Cadmium, total [as Cd] | daily maximum | ≤ 40 ug/L | all year | 014 |
| Chromium, total [as Cr] | maximum monthly average | ≤ 323 ug/L | all year | 014 |
| Chromium, total [as Cr] | daily maximum | ≤ 746 ug/L | all year | 014 |
| Cobalt, total [as Co] | maximum monthly average | ≤ 124 ug/L | all year | 014 |
| Cobalt, total [as Co] | daily maximum | ≤ 192 ug/L | all year | 014 |
| Copper, total [as Cu] | maximum monthly average | ≤ 3.1 ug/L | all year | 014 |
| Copper, total [as Cu] | daily maximum | ≤ 6.1 ug/L | all year | 014 |
| Lead, total [as Pb] | maximum monthly average | ≤ 8.1 ug/L | all year | 014 |
| Lead, total [as Pb] | daily maximum | ≤ 210 ug/L | all year | 014 |
| Nickel, total [as Ni] | maximum monthly average | ≤ 8.2 ug/L | all year | 014 |
| Nickel, total [as Ni] | daily maximum | ≤ 74 ug/L | all year | 014 |
| Silver, total [as Ag] | maximum monthly average | ≤ 1.9 ug/L | all year | 014 |
| Silver, total [as Ag] | daily maximum | ≤ 1.9 ug/L | all year | 014 |
| Vanadium, total [as V] | maximum monthly average | ≤ 66.2 ug/L | all year | 014 |
| Vanadium, total [as V] | daily maximum | ≤ 218 ug/L | all year | 014 |
| Zinc, total [as Zn] | maximum monthly average | ≤ 81 ug/L | all year | 014 |
| Zinc, total [as Zn] | daily maximum | ≤ 90 ug/L | all year | 014 |
| Antimony, total [as Sb] | maximum monthly average | ≤ 206 ug/L | all year | 014 |
| Antimony, total [as Sb] | daily maximum | ≤ 249 ug/L | all year | 014 |
| Tin, total [as Sn] | maximum monthly average | ≤ 120 ug/L | all year | 014 |
| Tin, total [as Sn] | daily maximum | ≤ 335 ug/L | all year | 014 |
| Titanium, total [as Ti] | maximum monthly average | ≤ 61.8 ug/L | all year | 014 |
| Titanium, total [as Ti] | daily maximum | ≤ 94.7 ug/L | all year | 014 |
| Toluene | daily maximum | ≤ 15000 ug/L | all year | 014 |
| Benzene | daily maximum | ≤ 510 ug/L | all year | 014 |
| Butyl benzyl phthalate | maximum monthly average | ≤ 88.7 ug/L | all year | 014 |
| Butyl benzyl phthalate | daily maximum | ≤ 188 ug/L | all year | 014 |
| Ethylbenzene | daily maximum | ≤ 2100 ug/L | all year | 014 |
| Fluoranthene | maximum monthly average | ≤ 26.8 ug/L | all year | 014 |
| Fluoranthene | daily maximum | ≤ 53.7 ug/L | all year | 014 |
| Phenanthrene | daily maximum | ≤ .34 mg/L | all year | 014 |
| 2,4,6-Trichlorophenol | maximum monthly average | ≤ 106 ug/L | all year | 014 |
| 2,4,6-Trichlorophenol | daily maximum | ≤ 155 ug/L | all year | 014 |
| Phenol | maximum monthly average | ≤ 1080 ug/L | all year | 014 |
| Phenol | daily maximum | ≤ 3650 ug/L | all year | 014 |
| Naphthalene | daily maximum | ≤ 700 ug/L | all year | 014 |
| Di[2-ethylhexyl] phthalate [DEHP] | maximum monthly average | ≤ 22 ug/L | all year | 014 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ 215 ug/L | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Chlorine, total residual | maximum monthly average | ≤ 7.5 ug/L | all year | 014 |
| Chlorine, total residual | daily maximum | ≤ 13 ug/L | all year | 014 |
| Volatile Organic Compound [VOC] | daily maximum | report only (ug/L) | all year | 014 |
| Enterococci | maximum monthly average | ≤ 35 MPN/100mL | all year | 014 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 014 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 014 |
| Mercury, total [as Hg] | maximum monthly average | ≤ .739 ug/L | all year | 014 |
| Mercury, total [as Hg] | daily maximum | ≤ 1.8 ug/L | all year | 014 |
| Xylenes [total], dry weight | daily maximum | ≤ 10000 ug/L | all year | 014 |
| Pyridine | maximum monthly average | ≤ 182 ug/L | all year | 014 |
| Pyridine | daily maximum | ≤ 370 ug/L | all year | 014 |
| p-Cresol | maximum monthly average | ≤ 205 ug/L | all year | 014 |
| p-Cresol | daily maximum | ≤ 698 ug/L | all year | 014 |
| n-Decane | maximum monthly average | ≤ 437 ug/L | all year | 014 |
| n-Decane | daily maximum | ≤ 948 ug/L | all year | 014 |
| Carbazole | maximum monthly average | ≤ 276 ug/L | all year | 014 |
| Carbazole | daily maximum | ≤ 598 ug/L | all year | 014 |
| n-Octadecane | maximum monthly average | ≤ 302 ug/L | all year | 014 |
| n-Octadecane | daily maximum | ≤ 589 ug/L | all year | 014 |
| 2-Butanone | maximum monthly average | ≤ 1850 ug/L | all year | 014 |
| 2-Butanone | daily maximum | ≤ 4810 ug/L | all year | 014 |
| o-Cresol [2-Methylphenol] | maximum monthly average | ≤ 561 ug/L | all year | 014 |
| o-Cresol [2-Methylphenol] | daily maximum | ≤ 1920 ug/L | all year | 014 |
| Cyanide, Available | maximum monthly average | ≤ 1 ug/L | all year | 014 |
| Cyanide, Available | daily maximum | ≤ 1 ug/L | all year | 014 |
| Acetone | maximum monthly average | ≤ 7970 ug/L | all year | 014 |
| Acetone | daily maximum | ≤ 30200 ug/L | all year | 014 |
| Acetophenone | maximum monthly average | ≤ 56.2 ug/L | all year | 014 |
| Acetophenone | daily maximum | ≤ 114 ug/L | all year | 014 |
| Arsenic, Inorganic | daily maximum | report only (mg/L) | all year | 021 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 021 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 021 |
| pH | daily minimum | ≥ 6 SU | all year | 022 |
| pH | monthly average minimum | ≥ 6 SU | all year | 022 |
| pH | daily maximum | ≤ 9 SU | all year | 022 |
| pH | monthly maximum | ≤ 9 SU | all year | 022 |
| Solids, total suspended | maximum monthly average | ≤ 75 mg/L | all year | 022 |
| Solids, total suspended | maximum monthly average | ≤ 75 mg/L | all year | 022 |
| Solids, total suspended | daily maximum | ≤ 150 mg/L | all year | 022 |
| Solids, total suspended | daily maximum | ≤ 150 mg/L | all year | 022 |
| Solids, total suspended | annual maximum | ≤ 147100 lb/yr | all year | 022 |
| Solids, total suspended | monthly load | report only (lb/mo) | all year | 022 |
| Solids, total suspended | monthly total | report only (lb/mo) | all year | 022 |
| Solids, total suspended | daily maximum | report only (lb/yr) | all year | 022 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 022 |
| Nitrogen, total [as N] | annual maximum | ≤ 104785 lb/yr | all year | 022 |
| Nitrogen, total [as N] | monthly load | report only (lb/mo) | all year | 022 |
| Nitrogen, total [as N] | EPA's "SEAN MAX" | ≤ 52392 lb/yr | May–Oct | 022 |
| Nitrogen, total [as N] | monthly average | report only (lb/yr) | Jan, Feb, Mar, Apr, Nov, Dec | 022 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 022 |
| Ammonia nitrogen, total, [as N] 30 day | daily maximum | report only (mg/L) | all year | 022 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 022 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 022 |
| Phosphorus, total [as P] | annual maximum | ≤ 5240 lb/yr | all year | 022 |
| Phosphorus, total [as P] | monthly load | report only (lb/mo) | all year | 022 |
| Phosphorus, total [as P] | annual maximum | ≤ 2622 lb/yr | May–Oct | 022 |
| Phosphorus, total [as P] | EPA's "SEAN MAX" | ≤ 2622 lb/yr | May–Oct | 022 |
| Phosphorus, total [as P] | monthly average | report only (lb/yr) | Jan, Feb, Mar, Apr, Nov, Dec | 022 |
| Flow, in conduit or thru treatment plant | annual maximum | report only (MGD) | all year | 022 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 022 |
Cited limits by parameter: Maryland's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/MD0001201 · MCP: https://passage-data.com/mcp