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Elko Aggregate, LLC

Bituminous Coal - Underground, Racine, Ohio. NPDES permit OH0135313 expired Sep 30, 2021; its limits still apply. Last 12 months: no values over a limit, 22 of 121 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (18 values), outfall 002 form A monthly (19 values), outfall 003 form A monthly (23 values), outfall 004 form A monthly (21 values), outfall 005 form A monthly (18 values), outfall 006 form A monthly (21 values), and 5 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 132 reports late

Limits in force (191)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 35 mg/Lall year001
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001
Solids, settleablemonthly averagereport only (mL/L)all year001
Solids, settleabledaily maximumreport only (mL/L)all year001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year001
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year001
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year001
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year001
Rainfallmonthly averagereport only (in)all year001
Rainfalldaily maximumreport only (in)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year001
pHdaily minimum≥ 6.5 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 35 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, settleablemonthly averagereport only (mL/L)all year002
Solids, settleabledaily maximumreport only (mL/L)all year002
Chloride [as Cl]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov002
Chloride [as Cl]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov002
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov002
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov002
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year002
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year002
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year002
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year002
Rainfallmonthly averagereport only (in)all year002
Rainfalldaily maximumreport only (in)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Mercury, total low levelmonthly averagereport only (ng/L)Jun, Dec002
Mercury, total low leveldaily maximumreport only (ng/L)Jun, Dec002
Solids, total dissolved- 180 deg. Cmonthly average≤ 1500 mg/LJan, Mar, May, Jul, Sep, Nov002
pHdaily minimum≥ 6.5 SUall year003
pHdaily maximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 35 mg/Lall year003
Solids, total suspendeddaily maximum≤ 70 mg/Lall year003
Solids, settleablemonthly averagereport only (mL/L)all year003
Solids, settleabledaily maximumreport only (mL/L)all year003
Hardness, total [as CaCO3]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov003
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov003
Chloride [as Cl]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov003
Chloride [as Cl]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov003
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov003
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov003
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year003
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year003
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year003
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year003
Rainfallmonthly averagereport only (in)all year003
Rainfalldaily maximumreport only (in)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Mercury, total low levelmonthly averagereport only (ng/L)Sep003
Mercury, total low leveldaily maximumreport only (ng/L)Sep003
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acuteMar, Jun, Aug, Dec003
Solids, total dissolved- 180 deg. Cmonthly average≤ 1500 mg/Lall year003
pHdaily minimum≥ 6.5 SUall year004
pHdaily maximum≤ 9 SUall year004
Solids, total suspendedmonthly average≤ 35 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, settleablemonthly averagereport only (mL/L)all year004
Solids, settleabledaily maximumreport only (mL/L)all year004
Chloride [as Cl]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov004
Chloride [as Cl]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov004
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov004
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov004
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year004
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year004
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year004
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year004
Rainfallmonthly averagereport only (in)all year004
Rainfalldaily maximumreport only (in)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Mercury, total low levelmonthly averagereport only (ng/L)Sep004
Mercury, total low leveldaily maximumreport only (ng/L)Sep004
Solids, total dissolved- 180 deg. Cmonthly average≤ 1500 mg/LJan, Mar, May, Jul, Sep, Nov004
pHdaily minimum≥ 6.5 SUall year005
pHdaily maximum≤ 9 SUall year005
Solids, total suspendedmonthly average≤ 35 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, settleablemonthly averagereport only (mL/L)all year005
Solids, settleabledaily maximumreport only (mL/L)all year005
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year005
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year005
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year005
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year005
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year005
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year005
Rainfallmonthly averagereport only (in)all year005
Rainfalldaily maximumreport only (in)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year005
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year005
pHdaily minimum≥ 6.5 SUall year006
pHdaily maximum≤ 9 SUall year006
Solids, total suspendedmonthly average≤ 35 mg/Lall year006
Solids, total suspendeddaily maximum≤ 70 mg/Lall year006
Solids, settleablemonthly averagereport only (mL/L)all year006
Solids, settleabledaily maximumreport only (mL/L)all year006
Chloride [as Cl]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov006
Chloride [as Cl]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov006
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov006
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov006
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year006
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year006
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year006
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year006
Rainfallmonthly averagereport only (in)all year006
Rainfalldaily maximumreport only (in)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Mercury, total low levelmonthly averagereport only (ng/L)Sep006
Mercury, total low leveldaily maximumreport only (ng/L)Sep006
Solids, total dissolved- 180 deg. Cmonthly average≤ 1500 mg/LJan, Mar, May, Jul, Sep, Nov006
pHdaily minimum≥ 6.5 SUMar, Jun, Aug, Dec007
pHdaily maximum≤ 9 SUMar, Jun, Aug, Dec007
Solids, total suspendedmonthly average≤ 35 mg/LMar, Jun, Aug, Dec007
Solids, total suspendeddaily maximum≤ 70 mg/LMar, Jun, Aug, Dec007
Hardness, total [as CaCO3]monthly averagereport only (mg/L)Jun, Dec007
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Jun, Dec007
Calcium, total [as Ca]monthly averagereport only (mg/L)Jun, Dec007
Calcium, total [as Ca]daily maximumreport only (mg/L)Jun, Dec007
Magnesium, total [as Mg]monthly averagereport only (mg/L)Jun, Dec007
Magnesium, total [as Mg]daily maximumreport only (mg/L)Jun, Dec007
Sodium, total [as Na]monthly averagereport only (mg/L)Jun, Dec007
Sodium, total [as Na]daily maximumreport only (mg/L)Jun, Dec007
Chloride [as Cl]monthly averagereport only (mg/L)Jun, Dec007
Chloride [as Cl]daily maximumreport only (mg/L)Jun, Dec007
Sulfate, total [as SO4]monthly averagereport only (mg/L)Jun, Dec007
Sulfate, total [as SO4]daily maximumreport only (mg/L)Jun, Dec007
Selenium, total recoverablemonthly averagereport only (ug/L)Jun, Dec007
Selenium, total recoverabledaily maximumreport only (ug/L)Jun, Dec007
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year007
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year007
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year007
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Mercury, total low levelmonthly averagereport only (ng/L)Sep007
Mercury, total low leveldaily maximumreport only (ng/L)Sep007
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acuteMar, Jun, Aug, Dec007
Solids, total dissolved- 180 deg. Cmonthly average≤ 1500 mg/Lall year007
pHdaily minimum≥ 6.5 SUall year008
pHdaily maximum≤ 9 SUall year008
Solids, total suspendedmonthly average≤ 35 mg/Lall year008
Solids, total suspendeddaily maximum≤ 70 mg/Lall year008
Solids, settleablemonthly averagereport only (mL/L)all year008
Solids, settleabledaily maximumreport only (mL/L)all year008
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year008
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year008
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year008
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year008
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year008
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year008
Rainfallmonthly averagereport only (in)all year008
Rainfalldaily maximumreport only (in)all year008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year008
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year008
pHdaily minimum≥ 6.5 SUall year012
pHdaily maximum≤ 9 SUall year012
Solids, total suspendedmonthly average≤ 35 mg/Lall year012
Solids, total suspendeddaily maximum≤ 70 mg/Lall year012
Solids, settleablemonthly averagereport only (mL/L)all year012
Solids, settleabledaily maximumreport only (mL/L)all year012
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year012
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year012
Iron, total [as Fe]monthly average≤ 3000 ug/Lall year012
Iron, total [as Fe]daily maximum≤ 6000 ug/Lall year012
Manganese, total [as Mn]monthly average≤ 2000 ug/Lall year012
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year012
Rainfallmonthly averagereport only (in)all year012
Rainfalldaily maximumreport only (in)all year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year012
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year012
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year801
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year801
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year901
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year901

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 38 Coal Mining permits in Ohio.

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Your permit document is the final word. As JSON: /api/v1/permits/OH0135313 · MCP: https://passage-data.com/mcp