LION OIL COMPANY-EL DORADO REF

NPDES permit AR0000647 · Major NON-POTW · administratively continued, expires 2009-02-28 · 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.

This permit expired on 2009-02-28 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

3values over a limit
0required values missing, on 0 form(s)
0of 96 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (2), Mercury, total recoverable (1).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (304)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX <= 86 deg F all year
001Oxygen, dissolved [DO]INST MIN >= 7 mg/L all year
001Oxygen demand, chem. [high level] [COD]MO AVG <= 175 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 341 mg/L all year
001Oxygen demand, chem. [high level] [COD]MO AVG <= 3891 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 7598 lb/d all year
001pHHM >= 6 SU all year
001pHHX <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 32 mg/L all year
001Solids, total suspendedMO AVG <= 453 lb/d all year
001Solids, total suspendedDAILY MX <= 709 lb/d all year
001Oil & GreaseMO AVG <= 7 mg/L all year
001Oil & GreaseDAILY MX <= 14 mg/L all year
001Oil & GreaseMO AVG <= 166 lb/d all year
001Oil & GreaseDAILY MX <= 316 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 9 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 18 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 45 lb/d Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 200 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 89 lb/d Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 401 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Sulfide, total [as S]MO AVG <= .09 mg/L all year
001Sulfide, total [as S]DAILY MX <= .18 mg/L all year
001Sulfide, total [as S]MO AVG <= 2 lb/d all year
001Sulfide, total [as S]DAILY MX <= 4 lb/d all year
001Sulfate, total [as SO4]MO AVG <= 68 mg/L all year
001Sulfate, total [as SO4]MO AVG <= 2195 mg/L all year
001Sulfate, total [as SO4]DAILY MX <= 102 mg/L all year
001Sulfate, total [as SO4]DAILY MX <= 3292 mg/L all year
001Sulfate, total [as SO4]MO AVG <= 1514 lb/d all year
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]DAILY MX <= 2271 lb/d all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Selenium, total recoverableMO AVG <= 5.8 ug/L all year
001Selenium, total recoverableMO AVG <= 38.6 ug/L all year
001Selenium, total recoverableDAILY MX <= 11.65 ug/L all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableMO AVG <= .13 lb/d all year
001Selenium, total recoverableMO AVG <= .581 lb/d all year
001Selenium, total recoverableDAILY MX <= .26 lb/d all year
001Selenium, total recoverableDAILY MX report only all year
001Chromium, hexavalent [as Cr]MO AVG <= .012 mg/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= .024 mg/L all year
001Chromium, hexavalent [as Cr]MO AVG <= .27 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= .53 lb/d all year
001Chromium, total [as Cr]MO AVG <= .27 mg/L all year
001Chromium, total [as Cr]DAILY MX <= .63 mg/L all year
001Chromium, total [as Cr]MO AVG <= 6 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 14 lb/d all year
001Zinc, total recoverableMO AVG <= 118 ug/L all year
001Zinc, total recoverableMO AVG <= 926 ug/L all year
001Zinc, total recoverableDAILY MX <= 237 ug/L all year
001Zinc, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG <= 2.63 lb/d all year
001Zinc, total recoverableMO AVG <= 14 lb/d all year
001Zinc, total recoverableDAILY MX <= 5.28 lb/d all year
001Zinc, total recoverableDAILY MX report only all year
001Phenolics, total recoverableMO AVG <= .18 mg/L all year
001Phenolics, total recoverableDAILY MX <= .36 mg/L all year
001Phenolics, total recoverableMO AVG <= 4 lb/d all year
001Phenolics, total recoverableDAILY MX <= 8 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
001Solids, total dissolvedMO AVG <= 86 mg/L all year
001Solids, total dissolvedMO AVG <= 207 mg/L all year
001Solids, total dissolvedMO AVG <= 3817 mg/L all year
001Solids, total dissolvedDAILY MX <= 129 mg/L all year
001Solids, total dissolvedDAILY MX <= 310 mg/L all year
001Solids, total dissolvedDAILY MX <= 5725 mg/L all year
001Solids, total dissolvedMO AVG <= 1915 lb/d all year
001Solids, total dissolvedMO AVG <= 4596 lb/d all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX <= 2872 lb/d all year
001Solids, total dissolvedDAILY MX <= 6894 lb/d all year
001Solids, total dissolvedDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L Jun, Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 24 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 18 mg/L Jun, Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 43 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 223 lb/d Jun, Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 534 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 400 lb/d Jun, Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 958 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseMO AVG <= 10 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]MO AVG report only all year
002Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Oil & GreaseMO AVG <= 10 mg/L all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Carbon, tot organic [TOC]MO AVG report only all year
003Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Oil & GreaseMO AVG <= 10 mg/L all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]MO AVG report only all year
004Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005BOD, 5-day, 20 deg. CMO AVG report only all year
005BOD, 5-day, 20 deg. CDAILY MX report only all year
005BOD, 5-day, 20 deg. CMO AVG <= 1555 lb/d all year
005BOD, 5-day, 20 deg. CDAILY MX <= 2827 lb/d all year
005Oxygen demand, chem. [high level] [COD]MO AVG report only all year
005Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
005Oxygen demand, chem. [high level] [COD]MO AVG <= 10602 lb/d all year
005Oxygen demand, chem. [high level] [COD]DAILY MX <= 21205 lb/d all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedMO AVG report only all year
005Solids, total suspendedDAILY MX report only all year
005Solids, total suspendedMO AVG <= 1272 lb/d all year
005Solids, total suspendedDAILY MX <= 1979 lb/d all year
005Oil & GreaseMO AVG <= 10 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Oil & GreaseMO AVG <= 474 lb/d all year
005Oil & GreaseDAILY MX <= 919 lb/d all year
005Chromium, hexavalent [as Cr]MO AVG report only all year
005Chromium, hexavalent [as Cr]DAILY MX report only all year
005Chromium, hexavalent [as Cr]MO AVG <= 1.6 lb/d all year
005Chromium, hexavalent [as Cr]DAILY MX <= 3.7 lb/d all year
005Chromium, total [as Cr]MO AVG report only all year
005Chromium, total [as Cr]DAILY MX report only all year
005Chromium, total [as Cr]MO AVG <= 12.7 lb/d all year
005Chromium, total [as Cr]DAILY MX <= 35.3 lb/d all year
005Phenolics, total recoverableMO AVG report only all year
005Phenolics, total recoverableDAILY MX report only all year
005Phenolics, total recoverableMO AVG <= 9.9 lb/d all year
005Phenolics, total recoverableDAILY MX <= 20.5 lb/d all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006BOD, 5-day, 20 deg. CMO AVG report only all year
006BOD, 5-day, 20 deg. CDAILY MX report only all year
006BOD, 5-day, 20 deg. CMO AVG <= 3295 lb/d all year
006BOD, 5-day, 20 deg. CDAILY MX <= 5991 lb/d all year
006Oxygen demand, chem. [high level] [COD]MO AVG report only all year
006Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
006Oxygen demand, chem. [high level] [COD]MO AVG <= 22466 lb/d all year
006Oxygen demand, chem. [high level] [COD]DAILY MX <= 44932 lb/d all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedMO AVG report only all year
006Solids, total suspendedDAILY MX report only all year
006Solids, total suspendedMO AVG <= 2696 lb/d all year
006Solids, total suspendedDAILY MX <= 4194 lb/d all year
006Oil & GreaseMO AVG <= 10 mg/L all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Oil & GreaseMO AVG <= 1003 lb/d all year
006Oil & GreaseDAILY MX <= 1947 lb/d all year
006Chromium, hexavalent [as Cr]MO AVG report only all year
006Chromium, hexavalent [as Cr]DAILY MX report only all year
006Chromium, hexavalent [as Cr]MO AVG <= 3.4 lb/d all year
006Chromium, hexavalent [as Cr]DAILY MX <= 7.8 lb/d all year
006Chromium, total [as Cr]MO AVG report only all year
006Chromium, total [as Cr]DAILY MX report only all year
006Chromium, total [as Cr]MO AVG <= 27 lb/d all year
006Chromium, total [as Cr]DAILY MX <= 74.9 lb/d all year
006Zinc, total recoverableMO AVG <= 117 ug/L all year
006Zinc, total recoverableMO AVG <= 926 ug/L all year
006Zinc, total recoverableDAILY MX <= 235 ug/L all year
006Zinc, total recoverableDAILY MX report only all year
006Zinc, total recoverableMO AVG <= 4.2 lb/d all year
006Zinc, total recoverableMO AVG <= 14 lb/d all year
006Zinc, total recoverableDAILY MX <= 8.4 lb/d all year
006Zinc, total recoverableDAILY MX report only all year
006Lead, total recoverableMO AVG <= 3.9 ug/L all year
006Lead, total recoverableDAILY MX <= 7.8 ug/L all year
006Lead, total recoverableMO AVG <= .14 lb/d all year
006Lead, total recoverableDAILY MX <= .28 lb/d all year
006Phenolics, total recoverableMO AVG report only all year
006Phenolics, total recoverableDAILY MX report only all year
006Phenolics, total recoverableMO AVG <= 21 lb/d all year
006Phenolics, total recoverableDAILY MX <= 43.4 lb/d all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007BOD, 5-day, 20 deg. CMO AVG report only all year
007BOD, 5-day, 20 deg. CDAILY MX report only all year
007BOD, 5-day, 20 deg. CMO AVG <= 3295 lb/d all year
007BOD, 5-day, 20 deg. CDAILY MX <= 5991 lb/d all year
007Oxygen demand, chem. [high level] [COD]MO AVG report only all year
007Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
007Oxygen demand, chem. [high level] [COD]MO AVG <= 22466 lb/d all year
007Oxygen demand, chem. [high level] [COD]DAILY MX <= 44932 lb/d all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Solids, total suspendedMO AVG report only all year
007Solids, total suspendedDAILY MX report only all year
007Solids, total suspendedMO AVG <= 2696 lb/d all year
007Solids, total suspendedDAILY MX <= 4194 lb/d all year
007Oil & GreaseMO AVG <= 10 mg/L all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Oil & GreaseMO AVG <= 1003 lb/d all year
007Oil & GreaseDAILY MX <= 1947 lb/d all year
007Chromium, hexavalent [as Cr]MO AVG report only all year
007Chromium, hexavalent [as Cr]DAILY MX report only all year
007Chromium, hexavalent [as Cr]MO AVG <= 3.4 lb/d all year
007Chromium, hexavalent [as Cr]DAILY MX <= 7.8 lb/d all year
007Chromium, total [as Cr]MO AVG report only all year
007Chromium, total [as Cr]DAILY MX report only all year
007Chromium, total [as Cr]MO AVG <= 27 lb/d all year
007Chromium, total [as Cr]DAILY MX <= 74.9 lb/d all year
007Zinc, total recoverableMO AVG <= 117 ug/L all year
007Zinc, total recoverableMO AVG <= 926 ug/L all year
007Zinc, total recoverableDAILY MX <= 235 ug/L all year
007Zinc, total recoverableDAILY MX report only all year
007Zinc, total recoverableMO AVG <= 4.2 lb/d all year
007Zinc, total recoverableMO AVG <= 14 lb/d all year
007Zinc, total recoverableDAILY MX <= 8.4 lb/d all year
007Zinc, total recoverableDAILY MX report only all year
007Lead, total recoverableMO AVG <= 3.9 ug/L all year
007Lead, total recoverableDAILY MX <= 7.8 ug/L all year
007Lead, total recoverableMO AVG <= .14 lb/d all year
007Lead, total recoverableDAILY MX <= .28 lb/d all year
007Phenolics, total recoverableMO AVG report only all year
007Phenolics, total recoverableDAILY MX report only all year
007Phenolics, total recoverableMO AVG <= 21 lb/d all year
007Phenolics, total recoverableDAILY MX <= 43.4 lb/d all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
010Oxygen, dissolved [DO]INST MIN report only all year
010Oxygen demand, chem. [high level] [COD]MO AVG <= 3891 lb/d all year
010Oxygen demand, chem. [high level] [COD]DAILY MX <= 7598 lb/d all year
010pHMINIMUM >= 6 SU all year
010pHMAXIMUM <= 9 SU all year
010Solids, total suspendedMO AVG <= 453 lb/d all year
010Solids, total suspendedDAILY MX <= 709 lb/d all year
010Oil & GreaseMO AVG <= 250.2 lb/d all year
010Oil & GreaseDAILY MX <= 375.3 lb/d all year
010Nitrogen, ammonia total [as N]MO AVG <= 200.2 lb/d all year
010Nitrogen, ammonia total [as N]DAILY MX <= 300.1 lb/d all year
010Phosphorus, total [as P]MO AVG report only all year
010Phosphorus, total [as P]DAILY MX report only all year
010Sulfide, total [as S]MO AVG <= 2 lb/d all year
010Sulfide, total [as S]DAILY MX <= 4 lb/d all year
010Chloride [as Cl]MO AVG report only all year
010Chloride [as Cl]DAILY MX report only all year
010Sulfate, total [as SO4]MO AVG report only all year
010Sulfate, total [as SO4]DAILY MX report only all year
010Selenium, total recoverableMO AVG <= .99 lb/d all year
010Selenium, total recoverableDAILY MX <= 1.89 lb/d all year
010Chromium, total [as Cr]MO AVG <= 6 lb/d all year
010Chromium, total [as Cr]DAILY MX <= 14 lb/d all year
010Nickel, total recoverableMO AVG <= 21.35 lb/d all year
010Nickel, total recoverableDAILY MX <= 42.83 lb/d all year
010Silver total recoverableMO AVG <= .12 lb/d all year
010Silver total recoverableDAILY MX <= .23 lb/d all year
010Zinc, total recoverableMO AVG <= 11.03 lb/d all year
010Zinc, total recoverableDAILY MX <= 22.13 lb/d all year
010Cadmium, total recoverableMO AVG <= .33 lb/d all year
010Cadmium, total recoverableDAILY MX <= .67 lb/d all year
010Lead, total recoverableMO AVG <= .6 lb/d all year
010Lead, total recoverableDAILY MX <= 1.2 lb/d all year
010Copper, total recoverableMO AVG <= 1.23 lb/d all year
010Copper, total recoverableDAILY MX <= 2.48 lb/d all year
010Chromium, hexavalent dissolved [as Cr]MO AVG <= .56 lb/d all year
010Chromium, hexavalent dissolved [as Cr]DAILY MX <= 1.26 lb/d all year
010Phenolics, total recoverableMO AVG <= 4 lb/d all year
010Phenolics, total recoverableDAILY MX <= 8 lb/d all year
010Flow, in conduit or thru treatment plantMO AVG <= 3 MGD all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Chromium IIIMO AVG <= 59.27 lb/d all year
010Chromium IIIDAILY MX <= 118.93 lb/d all year
010Solids, total dissolvedMO AVG report only all year
010Solids, total dissolvedDAILY MX report only all year
010Mercury, total recoverableDAILY MX < .2 ug/L all year
010Coliform, fecal generalMO AVG report only all year
010Coliform, fecal generalDAILY MX report only all year
010Cyanide, total recoverableMO AVG <= 1.03 lb/d all year
010Cyanide, total recoverableDAILY MX <= 2.06 lb/d all year
010BOD, carbonaceous [5 day, 20 C]MO AVG <= 537.9 lb/d all year
010BOD, carbonaceous [5 day, 20 C]DAILY MX <= 806.8 lb/d all year
TX1Whole effluent toxicity7 DA MIN >= 96 % all year
TX1Whole effluent toxicityDLYAVMIN >= 96 % all year
TX1Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX1Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA AVG report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA AVG report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA AVG report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA AVG report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA AVG report only all year
TX10Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX10Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA AVG report only all year
TX10Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX10Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA AVG report only all year
TX10NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX10NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA AVG report only all year
TX10NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX10NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA AVG report only all year
TX10Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA AVG report only all year
TX10Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA AVG report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states