Desoto Gathering Company, LLC

NPDES permit AR0052051 · Minor NON-POTW · effective, expires 2029-01-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 18 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among AR permits in EPA's filings — check your permit).

Limits in force (183)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 2 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedDAILY MX <= 22.5 mg/L all year
001Solids, total suspendedMO AVG <= 21 lb/d all year
001Solids, total suspendedDAILY MX <= 31.5 lb/d all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseMO AVG <= 14 lb/d all year
001Oil & GreaseDAILY MX <= 21 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 5.6 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 7.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 5.6 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 7 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 14 lb/d Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 7.8 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 10.5 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 21 lb/d Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 7.8 lb/d Apr
001Chloride [as Cl]MO AVG <= 94 mg/L all year
001Chloride [as Cl]DAILY MX <= 141 mg/L all year
001Chloride [as Cl]MO AVG <= 131.7 lb/d all year
001Chloride [as Cl]DAILY MX <= 197.6 lb/d all year
001Sulfate, total [as SO4]MO AVG <= 20 mg/L all year
001Sulfate, total [as SO4]DAILY MX <= 30 mg/L all year
001Sulfate, total [as SO4]MO AVG <= 28 lb/d all year
001Sulfate, total [as SO4]DAILY MX <= 42 lb/d all year
001Arsenic, total recoverableMO AVG <= 1.33 mg/L all year
001Arsenic, total recoverableDAILY MX <= 2.95 mg/L all year
001Arsenic, total recoverableMO AVG <= 1.9 lb/d all year
001Arsenic, total recoverableDAILY MX <= 4.1 lb/d all year
001Cobalt, total recoverableMO AVG <= 18.8 mg/L all year
001Cobalt, total recoverableDAILY MX <= 56.4 mg/L all year
001Cobalt, total recoverableMO AVG <= 26.3 lb/d all year
001Cobalt, total recoverableDAILY MX <= 79 lb/d all year
001Tin, total recoverableMO AVG <= 165 ug/L all year
001Tin, total recoverableDAILY MX <= 335 ug/L all year
001Tin, total recoverableMO AVG <= .23 lb/d all year
001Tin, total recoverableDAILY MX <= .47 lb/d all year
001Chromium, hexavalent [as Cr]MO AVG <= 11.8 ug/L May, Jun, Jul, Aug, Sep, Oct
001Chromium, hexavalent [as Cr]MO AVG <= 26.9 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Chromium, hexavalent [as Cr]DAILY MX <= 23.7 ug/L May, Jun, Jul, Aug, Sep, Oct
001Chromium, hexavalent [as Cr]DAILY MX <= 54.1 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Chromium, hexavalent [as Cr]MO AVG <= .017 lb/d May, Jun, Jul, Aug, Sep, Oct
001Chromium, hexavalent [as Cr]MO AVG <= .038 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Chromium, hexavalent [as Cr]DAILY MX <= .033 lb/d May, Jun, Jul, Aug, Sep, Oct
001Chromium, hexavalent [as Cr]DAILY MX <= .076 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nickel, total recoverableMO AVG <= 97 ug/L May, Jun, Jul, Aug, Sep, Oct
001Nickel, total recoverableMO AVG <= 282.3 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Nickel, total recoverableDAILY MX <= 194.6 ug/L May, Jun, Jul, Aug, Sep, Oct
001Nickel, total recoverableDAILY MX <= 566.4 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Nickel, total recoverableMO AVG <= .14 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nickel, total recoverableMO AVG <= .4 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nickel, total recoverableDAILY MX <= .27 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nickel, total recoverableDAILY MX <= .79 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Silver total recoverableMO AVG <= .93 ug/L May, Jun, Jul, Aug, Sep, Oct
001Silver total recoverableMO AVG <= 1.8 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Silver total recoverableDAILY MX <= 1.87 ug/L May, Jun, Jul, Aug, Sep, Oct
001Silver total recoverableDAILY MX <= 3.6 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Silver total recoverableMO AVG <= .0013 lb/d May, Jun, Jul, Aug, Sep, Oct
001Silver total recoverableMO AVG <= .0025 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Silver total recoverableDAILY MX <= .0026 lb/d May, Jun, Jul, Aug, Sep, Oct
001Silver total recoverableDAILY MX <= .0051 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Zinc, total recoverableMO AVG <= 85.5 ug/L May, Jun, Jul, Aug, Sep, Oct
001Zinc, total recoverableMO AVG <= 166 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Zinc, total recoverableDAILY MX <= 171.6 ug/L May, Jun, Jul, Aug, Sep, Oct
001Zinc, total recoverableDAILY MX <= 333.2 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Zinc, total recoverableMO AVG <= .12 lb/d May, Jun, Jul, Aug, Sep, Oct
001Zinc, total recoverableMO AVG <= .23 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Zinc, total recoverableDAILY MX <= .24 lb/d May, Jun, Jul, Aug, Sep, Oct
001Zinc, total recoverableDAILY MX <= .47 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Cadmium, total recoverableMO AVG <= 1.8 ug/L May, Jun, Jul, Aug, Sep, Oct
001Cadmium, total recoverableMO AVG <= 5.4 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Cadmium, total recoverableDAILY MX <= 3.7 ug/L May, Jun, Jul, Aug, Sep, Oct
001Cadmium, total recoverableDAILY MX <= 10.8 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Cadmium, total recoverableMO AVG <= .0026 lb/d May, Jun, Jul, Aug, Sep, Oct
001Cadmium, total recoverableMO AVG <= .0075 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Cadmium, total recoverableDAILY MX <= .0052 lb/d May, Jun, Jul, Aug, Sep, Oct
001Cadmium, total recoverableDAILY MX <= .015 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Lead, total recoverableMO AVG <= 7.9 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Lead, total recoverableMO AVG <= 2.7 ug/L May, Jun, Jul, Aug, Sep, Oct
001Lead, total recoverableDAILY MX <= 15.8 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Lead, total recoverableDAILY MX <= 5.4 ug/L May, Jun, Jul, Aug, Sep, Oct
001Lead, total recoverableMO AVG <= .011 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Lead, total recoverableMO AVG <= .0038 lb/d May, Jun, Jul, Aug, Sep, Oct
001Lead, total recoverableDAILY MX <= .022 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Lead, total recoverableDAILY MX <= .0076 lb/d May, Jun, Jul, Aug, Sep, Oct
001Chromium, total recoverableMO AVG <= 323 ug/L all year
001Chromium, total recoverableDAILY MX <= 746 ug/L all year
001Chromium, total recoverableMO AVG <= .45 lb/d all year
001Chromium, total recoverableDAILY MX <= 1.05 lb/d all year
001Copper, total recoverableMO AVG <= 9.2 ug/L May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableMO AVG <= 18.8 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableDAILY MX <= 18.5 ug/L May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableDAILY MX <= 37.8 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableMO AVG <= .013 lb/d May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableMO AVG <= .026 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableDAILY MX <= .026 lb/d May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableDAILY MX <= .053 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Radiation, gross betaMO AVG report only all year
001Radiation, gross betaDAILY MX report only all year
001Radium 226, dissolvedMO AVG report only all year
001Radium 226, dissolvedDAILY MX report only all year
001Strontium 90, dissolvedMO AVG report only all year
001Strontium 90, dissolvedDAILY MX report only all year
001Butyl benzyl phthalateMO AVG <= .0887 mg/L all year
001Butyl benzyl phthalateDAILY MX <= .188 mg/L all year
001Butyl benzyl phthalateMO AVG <= .12 lb/d all year
001Butyl benzyl phthalateDAILY MX <= .26 lb/d all year
001FluorantheneMO AVG <= .0268 mg/L all year
001FluorantheneDAILY MX <= .0537 mg/L all year
001FluorantheneMO AVG <= .038 lb/d all year
001FluorantheneDAILY MX <= .075 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .101 mg/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .215 mg/L all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .14 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .3 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chromium IIIMO AVG <= 860.1 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Chromium IIIMO AVG <= 295.4 ug/L May, Jun, Jul, Aug, Sep, Oct
001Chromium IIIDAILY MX <= 1725.7 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Chromium IIIDAILY MX <= 592.8 ug/L May, Jun, Jul, Aug, Sep, Oct
001Chromium IIIMO AVG <= 1.2 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Chromium IIIMO AVG <= .41 lb/d May, Jun, Jul, Aug, Sep, Oct
001Chromium IIIDAILY MX <= 2.4 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Chromium IIIDAILY MX <= .83 lb/d May, Jun, Jul, Aug, Sep, Oct
001Solids, total dissolvedMO AVG <= 354 mg/L all year
001Solids, total dissolvedDAILY MX <= 531 mg/L all year
001Solids, total dissolvedMO AVG <= 496 lb/d all year
001Solids, total dissolvedDAILY MX <= 744 lb/d all year
001Mercury, total recoverableMO AVG <= .013 ug/L May, Jun, Jul, Aug, Sep, Oct
001Mercury, total recoverableMO AVG <= .039 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Mercury, total recoverableDAILY MX <= .027 ug/L May, Jun, Jul, Aug, Sep, Oct
001Mercury, total recoverableDAILY MX <= .078 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Mercury, total recoverableMO AVG <= .000019 lb/d May, Jun, Jul, Aug, Sep, Oct
001Mercury, total recoverableMO AVG <= .000055 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Mercury, total recoverableDAILY MX <= .000038 lb/d May, Jun, Jul, Aug, Sep, Oct
001Mercury, total recoverableDAILY MX <= .00011 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001n-DecaneMO AVG <= .437 mg/L all year
001n-DecaneDAILY MX <= .948 mg/L all year
001n-DecaneMO AVG <= .61 lb/d all year
001n-DecaneDAILY MX <= 1.33 lb/d all year
001CarbazoleMO AVG <= .276 mg/L all year
001CarbazoleDAILY MX <= .598 mg/L all year
001CarbazoleMO AVG <= .39 lb/d all year
001CarbazoleDAILY MX <= .84 lb/d all year
001n-OctadecaneMO AVG <= .302 mg/L all year
001n-OctadecaneDAILY MX <= .589 mg/L all year
001n-OctadecaneMO AVG <= .42 lb/d all year
001n-OctadecaneDAILY MX <= .83 lb/d all year
001Cyanide, total recoverableMO AVG <= 16.9 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Cyanide, total recoverableMO AVG <= 5.8 ug/L May, Jun, Jul, Aug, Sep, Oct
001Cyanide, total recoverableDAILY MX <= 33.9 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Cyanide, total recoverableDAILY MX <= 11.6 ug/L May, Jun, Jul, Aug, Sep, Oct
001Cyanide, total recoverableMO AVG <= .024 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Cyanide, total recoverableMO AVG <= .008 lb/d May, Jun, Jul, Aug, Sep, Oct
001Cyanide, total recoverableDAILY MX <= .047 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Cyanide, total recoverableDAILY MX <= .016 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 14 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 21 lb/d all year
TX1Whole effluent toxicity - retest #17 DA MIN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN report only all year
TX1WET, sublethal retest #17 DA MIN report only all year
TX1WET, sublethal retest #27 DA MIN report only all year
TX1Whole Effluent Toxicity - Retest #37 DA MIN report only all year
TX1Whole Effluent Toxicity, Sub-Lethal Retest #37 DA MIN report only all year
TX1Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year

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