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North Florida Rock LLC

Crushed And Broken Limestone, Marianna, Florida. NPDES permit FL0980722 expired Jan 13, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 90 days after each period: outfall 001 form 1 monthly (17 values), outfall 002 form 1 monthly (17 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (34)

ParameterStatisticLimitMonthsOutfall
Turbiditymaximum≤ 29 NTUall year001
Specific conductancemaximum≤ 1275 umho/cmall year001
Oxygen, dissolved percent saturationstatistic code TM≥ 90 % sample compall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmaximum≤ 60 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedannual average≤ 20 mg/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]annual averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]annual averagereport only (mg/L)all year001
Chlorophyll Amonthly averagereport only (ug/L)all year001
Chlorophyll Aannual averagereport only (ug/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantannual averagereport only (MGD)all year001
Turbiditymaximum≤ 29 NTUall year002
Specific conductancemaximum≤ 1275 umho/cmall year002
Oxygen, dissolved percent saturationstatistic code TM≥ 90 % sample compall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 8.5 SUall year002
Solids, total suspendedmaximum≤ 60 mg/Lall year002
Solids, total suspendedweekly average≤ 45 mg/Lall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendedannual average≤ 20 mg/Lall year002
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, total [as N]annual averagereport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]annual averagereport only (mg/L)all year002
Chlorophyll Amonthly averagereport only (ug/L)all year002
Chlorophyll Aannual averagereport only (ug/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantannual averagereport only (MGD)all year002

How strict are these limits?

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

Same industry: the 22 Mining and Quarrying of Nonmetallic Minerals permits in Florida.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/FL0980722 · MCP: https://passage-data.com/mcp