SPARROWS POINT, LLC

NPDES permit MD0001201 · Major NON-POTW · effective, expires 2028-01-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
12required values missing, on 6 form(s)
1of 95 forms filed late

Last period with anything received: 2026-08-31. Most often over: Copper, total [as Cu] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (272)

OutfallParameterStatisticLimitMonths
006BOD, 5-day, 20 deg. CMX MO AV <= 22 mg/L all year
006BOD, 5-day, 20 deg. CDAILY MX <= 61 mg/L all year
006pHDAILY MN >= 6 SU all year
006pHDAILY MX <= 9 SU all year
006pHMO AV MN >= 6 SU all year
006pHMX MO AV <= 9 SU all year
006Solids, total suspendedMX MO AV <= 26 mg/L all year
006Solids, total suspendedDAILY MX <= 58 mg/L all year
006Solids, total suspendedMY report only all year
006Solids, total suspendedANNL MAX <= 147100 lb/yr all year
006Solids, total suspendedDAILY MX report only all year
006Oil & GreaseMX MO AV <= 10 mg/L all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Nitrogen, total [as N]DAILY MX report only all year
006Nitrogen, total [as N]ANNL MAX <= 316776 lb/yr all year
006Nitrogen, total [as N]MO TOTAL report only all year
006Nitrogen, total [as N]EX <= 158388 lb/yr May, Jun, Jul, Aug, Sep, Oct
006Nitrogen, total [as N]MO TOTAL report only May, Jun, Jul, Aug, Sep, Oct
006Nitrogen, organic total [as N]DAILY MX report only all year
006Nitrogen, organic total [as N]MY report only all year
006Nitrogen, organic total [as N]ANNL MAX report only all year
006Nitrogen, organic total [as N]EX report only all year
006Ammonia nitrogen, total, [as N] 30 dayDAILY MX report only all year
006Ammonia nitrogen, total, [as N] 30 dayMY report only all year
006Ammonia nitrogen, total, [as N] 30 dayEX report only all year
006Ammonia nitrogen, total, [as N] 30 dayANNL MAX report only all year
006Nitrite + Nitrate total [as N]DAILY MX report only all year
006Nitrite + Nitrate total [as N]MY report only all year
006Nitrite + Nitrate total [as N]ANNL MAX report only all year
006Nitrite + Nitrate total [as N]EX report only all year
006Phosphorus, total [as P]DAILY MX report only all year
006Phosphorus, total [as P]ANNL MAX <= 15267 lb/yr all year
006Phosphorus, total [as P]MO TOTAL report only all year
006Phosphorus, total [as P]EX <= 7632 lb/yr May, Jun, Jul, Aug, Sep, Oct
006Phosphorus, total [as P]MY report only Jan, Feb, Mar, Apr, Nov, Dec
006Cyanide, total [as CN]MO AVG report only all year
006Cyanide, total [as CN]DAILY MX report only all year
006Arsenic, total [as As]MX MO AV <= 36 ug/L all year
006Arsenic, total [as As]DAILY MX <= 69 ug/L all year
006Cadmium, total [as Cd]MX MO AV <= 8.8 ug/L all year
006Cadmium, total [as Cd]DAILY MX <= 40 ug/L all year
006Chromium, total [as Cr]MX MO AV <= 323 ug/L all year
006Chromium, total [as Cr]DAILY MX <= 746 ug/L all year
006Cobalt, total [as Co]MX MO AV <= 124 ug/L all year
006Cobalt, total [as Co]DAILY MX <= 192 ug/L all year
006Copper, total [as Cu]MX MO AV <= 3.1 ug/L all year
006Copper, total [as Cu]DAILY MX <= 6.1 ug/L all year
006Lead, total [as Pb]MX MO AV <= 8.1 ug/L all year
006Lead, total [as Pb]DAILY MX <= 210 ug/L all year
006Nickel, total [as Ni]MX MO AV <= 8.2 ug/L all year
006Nickel, total [as Ni]DAILY MX <= 74 ug/L all year
006Silver, total [as Ag]MX MO AV <= 1.9 ug/L all year
006Silver, total [as Ag]DAILY MX <= 1.9 ug/L all year
006Vanadium, total [as V]MX MO AV <= 66.2 ug/L all year
006Vanadium, total [as V]DAILY MX <= 218 ug/L all year
006Zinc, total [as Zn]MX MO AV <= 81 ug/L all year
006Zinc, total [as Zn]DAILY MX <= 90 ug/L all year
006Antimony, total [as Sb]MX MO AV <= 206 ug/L all year
006Antimony, total [as Sb]DAILY MX <= 249 ug/L all year
006Tin, total [as Sn]MX MO AV <= 120 ug/L all year
006Tin, total [as Sn]DAILY MX <= 335 ug/L all year
006Titanium, total [as Ti]MX MO AV <= 61.8 ug/L all year
006Titanium, total [as Ti]DAILY MX <= 94.7 ug/L all year
006TolueneDAILY MX <= 15000 ug/L all year
006BenzeneDAILY MX <= 510 ug/L all year
006Butyl benzyl phthalateMX MO AV <= 88.7 ug/L all year
006Butyl benzyl phthalateDAILY MX <= 188 ug/L all year
006EthylbenzeneDAILY MX <= 2100 ug/L all year
006FluorantheneMX MO AV <= 26.8 ug/L all year
006FluorantheneDAILY MX <= 53.7 ug/L all year
006PhenanthreneDAILY MX <= .34 mg/L all year
0062,4,6-TrichlorophenolMX MO AV <= 106 ug/L all year
0062,4,6-TrichlorophenolDAILY MX <= 155 ug/L all year
006PhenolMO AVG <= 1080 ug/L all year
006PhenolDAILY MX <= 3650 ug/L all year
006NaphthaleneDAILY MX <= 700 ug/L all year
006Di[2-ethylhexyl] phthalate [DEHP]MX MO AV <= 22 ug/L all year
006Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 215 ug/L all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Chlorine, total residualMX MO AV <= 7.5 ug/L all year
006Chlorine, total residualDAILY MX <= 13 ug/L all year
006Volatile Organic Compound [VOC]DAILY MX report only all year
006EnterococciMX MO AV <= 35 MPN/100mL all year
006Solids, total dissolvedMO AVG report only all year
006Solids, total dissolvedDAILY MX report only all year
006Mercury, total [as Hg]MX MO AV <= .739 ug/L all year
006Mercury, total [as Hg]DAILY MX <= 1.8 ug/L all year
006Xylenes [total], dry weightDAILY MX <= 10000 ug/L all year
006PyridineMX MO AV <= 182 ug/L all year
006PyridineDAILY MX <= 370 ug/L all year
006p-CresolMX MO AV <= 205 ug/L all year
006p-CresolDAILY MX <= 698 ug/L all year
006n-DecaneMX MO AV <= 437 ug/L all year
006n-DecaneDAILY MX <= 948 ug/L all year
006CarbazoleMX MO AV <= 276 ug/L all year
006CarbazoleDAILY MX <= 598 ug/L all year
006n-OctadecaneMX MO AV <= 302 ug/L all year
006n-OctadecaneDAILY MX <= 589 ug/L all year
0062-ButanoneMX MO AV <= 1850 ug/L all year
0062-ButanoneDAILY MX <= 4810 ug/L all year
006o-Cresol [2-Methylphenol]MX MO AV <= 561 ug/L all year
006o-Cresol [2-Methylphenol]DAILY MX <= 1920 ug/L all year
006Cyanide, AvailableMX MO AV <= 1 ug/L all year
006Cyanide, AvailableDAILY MX <= 1 ug/L all year
006AcetoneMX MO AV <= 7970 ug/L all year
006AcetoneDAILY MX <= 30200 ug/L all year
006AcetophenoneMX MO AV <= 56.2 ug/L all year
006AcetophenoneDAILY MX <= 114 ug/L all year
008Cadmium, total [as Cd]MX MO AV <= .04 mg/L (alert) all year
008Cadmium, total [as Cd]MX MO AV <= .04 mg/L (alert) all year
008Zinc, total [as Zn]MX MO AV <= .09 mg/L (alert) all year
008Zinc, total [as Zn]MX MO AV <= .09 mg/L (alert) all year
008TolueneMX MO AV <= 15 mg/L (alert) all year
008TolueneMX MO AV <= 15 mg/L (alert) all year
008BenzeneMX MO AV <= .51 mg/L (alert) all year
008BenzeneMX MO AV <= .51 mg/L (alert) all year
008EthylbenzeneMX MO AV <= 2.1 mg/L (alert) all year
008EthylbenzeneMO AVG <= 2.1 mg/L (alert) all year
008NaphthaleneMX MO AV <= .7 mg/L (alert) all year
008NaphthaleneMX MO AV <= .7 mg/L (alert) all year
008Flow, in conduit or thru treatment plantMO AVG report only (alert) all year
008Xylenes [total], dry weightMX MO AV <= 10 mg/L (alert) all year
008Xylenes [total], dry weightMX MO AV <= 10 mg/L (alert) all year
012Arsenic, InorganicDAILY MX report only all year
012Copper, total [as Cu]DAILY MX report only all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Solids, total dissolvedDAILY MX report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
014BOD, 5-dayMX MO AV <= 22 mg/L all year
014BOD, 5-dayDAILY MX <= 61 mg/L all year
014pHMO AV MN >= 6 SU all year
014pHMX MO AV <= 9 SU all year
014pHDAILY MN >= 6 SU all year
014pHDAILY MX <= 9 SU all year
014Solids, total suspendedMX MO AV <= 26 mg/L all year
014Solids, total suspendedDAILY MX <= 58 mg/L all year
014Solids, total suspendedANNL MAX <= 147100 lb/yr all year
014Solids, total suspendedMY report only all year
014Solids, total suspendedDAILY MX report only all year
014Oil & GreaseMO AVG <= 10 mg/L all year
014Oil & GreaseDAILY MX <= 15 mg/L all year
014Nitrogen, total [as N]DAILY MX report only all year
014Nitrogen, total [as N]ANNL MAX <= 316776 lb/yr all year
014Nitrogen, total [as N]MY report only all year
014Nitrogen, total [as N]EX <= 158388 lb/yr May, Jun, Jul, Aug, Sep, Oct
014Nitrogen, total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
014Nitrogen, organic total [as N]DAILY MX report only all year
014Nitrogen, organic total [as N]ANNL MAX report only all year
014Nitrogen, organic total [as N]MY report only all year
014Nitrogen, organic total [as N]EX report only all year
014Nitrogen, ammonia total [as N]MY report only all year
014Nitrogen, ammonia total [as N]ANNL MAX report only all year
014Nitrogen, ammonia total [as N]EX report only all year
014Nitrogen, ammonia total [as N]DAILY MX report only all year
014Nitrite + Nitrate total [as N]DAILY MX report only all year
014Nitrite + Nitrate total [as N]MY report only all year
014Nitrite + Nitrate total [as N]ANNL MAX report only all year
014Nitrite + Nitrate total [as N]EX report only all year
014Phosphorus, total [as P]DAILY MX report only all year
014Phosphorus, total [as P]ANNL MAX <= 15267 lb/yr all year
014Phosphorus, total [as P]MY report only all year
014Phosphorus, total [as P]EX <= 7632 lb/yr May, Jun, Jul, Aug, Sep, Oct
014Cyanide, total [as CN]MX MO AV report only all year
014Cyanide, total [as CN]DAILY MX report only all year
014Arsenic, total [as As]MX MO AV <= 36 ug/L all year
014Arsenic, total [as As]DAILY MX <= 69 ug/L all year
014Cadmium, total [as Cd]MX MO AV <= 8.8 ug/L all year
014Cadmium, total [as Cd]DAILY MX <= 40 ug/L all year
014Chromium, total [as Cr]MX MO AV <= 323 ug/L all year
014Chromium, total [as Cr]DAILY MX <= 746 ug/L all year
014Cobalt, total [as Co]MX MO AV <= 124 ug/L all year
014Cobalt, total [as Co]DAILY MX <= 192 ug/L all year
014Copper, total [as Cu]MX MO AV <= 3.1 ug/L all year
014Copper, total [as Cu]DAILY MX <= 6.1 ug/L all year
014Lead, total [as Pb]MX MO AV <= 8.1 ug/L all year
014Lead, total [as Pb]DAILY MX <= 210 ug/L all year
014Nickel, total [as Ni]MX MO AV <= 8.2 ug/L all year
014Nickel, total [as Ni]DAILY MX <= 74 ug/L all year
014Silver, total [as Ag]MX MO AV <= 1.9 ug/L all year
014Silver, total [as Ag]DAILY MX <= 1.9 ug/L all year
014Vanadium, total [as V]MX MO AV <= 66.2 ug/L all year
014Vanadium, total [as V]DAILY MX <= 218 ug/L all year
014Zinc, total [as Zn]MX MO AV <= 81 ug/L all year
014Zinc, total [as Zn]DAILY MX <= 90 ug/L all year
014Antimony, total [as Sb]MX MO AV <= 206 ug/L all year
014Antimony, total [as Sb]DAILY MX <= 249 ug/L all year
014Tin, total [as Sn]MX MO AV <= 120 ug/L all year
014Tin, total [as Sn]DAILY MX <= 335 ug/L all year
014Titanium, total [as Ti]MX MO AV <= 61.8 ug/L all year
014Titanium, total [as Ti]DAILY MX <= 94.7 ug/L all year
014TolueneDAILY MX <= 15000 ug/L all year
014BenzeneDAILY MX <= 510 ug/L all year
014Butyl benzyl phthalateMX MO AV <= 88.7 ug/L all year
014Butyl benzyl phthalateDAILY MX <= 188 ug/L all year
014EthylbenzeneDAILY MX <= 2100 ug/L all year
014FluorantheneMX MO AV <= 26.8 ug/L all year
014FluorantheneDAILY MX <= 53.7 ug/L all year
014PhenanthreneDAILY MX <= .34 mg/L all year
0142,4,6-TrichlorophenolMX MO AV <= 106 ug/L all year
0142,4,6-TrichlorophenolDAILY MX <= 155 ug/L all year
014PhenolMX MO AV <= 1080 ug/L all year
014PhenolDAILY MX <= 3650 ug/L all year
014NaphthaleneDAILY MX <= 700 ug/L all year
014Di[2-ethylhexyl] phthalate [DEHP]MX MO AV <= 22 ug/L all year
014Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 215 ug/L all year
014Flow, in conduit or thru treatment plantDAILY MX report only all year
014Flow, in conduit or thru treatment plantMO AVG report only all year
014Chlorine, total residualMX MO AV <= 7.5 ug/L all year
014Chlorine, total residualDAILY MX <= 13 ug/L all year
014Volatile Organic Compound [VOC]DAILY MX report only all year
014EnterococciMX MO AV <= 35 MPN/100mL all year
014Solids, total dissolvedMO AVG report only all year
014Solids, total dissolvedDAILY MX report only all year
014Mercury, total [as Hg]MX MO AV <= .739 ug/L all year
014Mercury, total [as Hg]DAILY MX <= 1.8 ug/L all year
014Xylenes [total], dry weightDAILY MX <= 10000 ug/L all year
014PyridineMX MO AV <= 182 ug/L all year
014PyridineDAILY MX <= 370 ug/L all year
014p-CresolMX MO AV <= 205 ug/L all year
014p-CresolDAILY MX <= 698 ug/L all year
014n-DecaneMX MO AV <= 437 ug/L all year
014n-DecaneDAILY MX <= 948 ug/L all year
014CarbazoleMX MO AV <= 276 ug/L all year
014CarbazoleDAILY MX <= 598 ug/L all year
014n-OctadecaneMX MO AV <= 302 ug/L all year
014n-OctadecaneDAILY MX <= 589 ug/L all year
0142-ButanoneMX MO AV <= 1850 ug/L all year
0142-ButanoneDAILY MX <= 4810 ug/L all year
014o-Cresol [2-Methylphenol]MX MO AV <= 561 ug/L all year
014o-Cresol [2-Methylphenol]DAILY MX <= 1920 ug/L all year
014Cyanide, AvailableMX MO AV <= 1 ug/L all year
014Cyanide, AvailableDAILY MX <= 1 ug/L all year
014AcetoneMX MO AV <= 7970 ug/L all year
014AcetoneDAILY MX <= 30200 ug/L all year
014AcetophenoneMX MO AV <= 56.2 ug/L all year
014AcetophenoneDAILY MX <= 114 ug/L all year
021Arsenic, InorganicDAILY MX report only all year
021Copper, total [as Cu]DAILY MX report only all year
021Flow, in conduit or thru treatment plantMO AVG report only all year
021Flow, in conduit or thru treatment plantDAILY MX report only all year
021Solids, total dissolvedDAILY MX report only all year
022pHDAILY MN >= 6 SU all year
022pHMO AV MN >= 6 SU all year
022pHDAILY MX <= 9 SU all year
022pHMO MAX <= 9 SU all year
022Solids, total suspendedMX MO AV <= 75 mg/L all year
022Solids, total suspendedMX MO AV <= 75 mg/L all year
022Solids, total suspendedDAILY MX <= 150 mg/L all year
022Solids, total suspendedDAILY MX <= 150 mg/L all year
022Solids, total suspendedANNL MAX <= 147100 lb/yr all year
022Solids, total suspendedMY report only all year
022Solids, total suspendedMO TOTAL report only all year
022Solids, total suspendedDAILY MX report only all year
022Nitrogen, total [as N]DAILY MX report only all year
022Nitrogen, total [as N]ANNL MAX <= 104785 lb/yr all year
022Nitrogen, total [as N]MY report only all year
022Nitrogen, total [as N]EX <= 52392 lb/yr May, Jun, Jul, Aug, Sep, Oct
022Nitrogen, total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
022Nitrogen, organic total [as N]DAILY MX report only all year
022Ammonia nitrogen, total, [as N] 30 dayDAILY MX report only all year
022Nitrite + Nitrate total [as N]DAILY MX report only all year
022Phosphorus, total [as P]DAILY MX report only all year
022Phosphorus, total [as P]ANNL MAX <= 5240 lb/yr all year
022Phosphorus, total [as P]MY report only all year
022Phosphorus, total [as P]ANNL MAX <= 2622 lb/yr May, Jun, Jul, Aug, Sep, Oct
022Phosphorus, total [as P]EX <= 2622 lb/yr May, Jun, Jul, Aug, Sep, Oct
022Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
022Flow, in conduit or thru treatment plantANNL MAX report only all year
022Flow, in conduit or thru treatment plantDAILY MX report only all year

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