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Meridian Beartrack Company

Nonclassifiable Establishments, major discharger, Copperopolis, California. NPDES permit CA0085243, in force until Jan 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 32 days after each period: form A monthly (12 values), form A1 monthly (2 values), form A2 monthly (2 values), form A3 monthly (2 values), form A4 monthly (2 values), form A5 monthly (2 values), and 6 more forms
Renewal application due
Aug 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 122 reports late

Limits in force (68)

ParameterStatisticLimitMonths
Specific conductancemonthly averagereport only (umho/cm)all year
Specific conductancedaily maximumreport only (umho/cm)all year
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year
Arsenic, total recoverablemonthly average≤ 78 ug/Lall year
Arsenic, total recoverablemonthly average≤ 88 ug/Lall year
Arsenic, total recoverablemonthly average≤ 97 ug/Lall year
Arsenic, total recoverablemonthly average≤ 107 ug/Lall year
Arsenic, total recoverablemonthly average≤ 117 ug/Lall year
Arsenic, total recoverablemonthly average≤ 126 ug/Lall year
Arsenic, total recoverablemonthly average≤ 136 ug/Lall year
Arsenic, total recoverablemonthly average≤ 146 ug/Lall year
Arsenic, total recoverablemonthly average≤ 156 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 91 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 102 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 114 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 125 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 137 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 148 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 159 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 171 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 183 ug/Lall year
Boron, total recoverabledaily maximumreport only (ug/L)all year
Diazinondaily maximumreport only (ug/L)all year
Diazinondaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Solids, total dissolveddaily maximum≤ 6120 mg/Lall year
Solids, total dissolvedannual total≤ 3000 ton/yrall year
Solids, total dissolvedannual total≤ 3000 ton/yrall year
Chlorpyrifosdaily maximumreport only (ug/L)all year
Chlorpyrifosdaily maximumreport only (ug/L)all year
%Effect Static 4 Day Chronic Raphidocelis subcapitatamedianreport only (% effect)all year
%Effect Static 4 Day Chronic Raphidocelis subcapitatamedianreport only (% effect)all year
%Effect Static 4 Day Chronic Raphidocelis subcapitatamaximumreport only (% effect)all year
%Effect Static 4 Day Chronic Raphidocelis subcapitatamaximumreport only (% effect)all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamedianreport only (% effect)all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamedianreport only (% effect)all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamaximumreport only (% effect)all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamaximumreport only (% effect)all year
%Effect Static Renewal 7Day Chronic Pimephales promelasmedianreport only (% effect)all year
%Effect Static Renewal 7Day Chronic Pimephales promelasmedianreport only (% effect)all year
%Effect Static Renewal 7Day Chronic Pimephales promelasmaximumreport only (% effect)all year
%Effect Static Renewal 7Day Chronic Pimephales promelasmaximumreport only (% effect)all year
%Surv Static Renewal 96Hr Oncorhynchus mykissminimum≥ 70 % survivalall year
%Surv Static Renewal 96Hr Oncorhynchus mykissminimum≥ 70 % survivalall year
%Surv Static Renewal 96Hr Oncorhynchus mykissminimum median≥ 90 % survivalall year
%Surv Static Renewal 96Hr Oncorhynchus mykissminimum median≥ 90 % survivalall year
% Survival Flow Through 96Hr Acute Oncorhynchus mykissminimum≥ 70 % survivalall year
% Survival Flow Through 96Hr Acute Oncorhynchus mykissminimum≥ 70 % survivalall year
% Survival Flow Through 96Hr Acute Oncorhynchus mykissminimum median≥ 90 % survivalall year
% Survival Flow Through 96Hr Acute Oncorhynchus mykissminimum median≥ 90 % survivalall year
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)averagereport only (tox chronic)all year
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)averagereport only (tox chronic)all year
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)daily maximumreport only (tox chronic)all year
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)daily maximumreport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaaveragereport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaaveragereport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiadaily maximumreport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiadaily maximumreport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Pimphales promelasaveragereport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Pimphales promelasaveragereport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Pimphales promelasdaily maximumreport only (tox chronic)all year
TU Static Renewal 7-Day Chronic Pimphales promelasdaily maximumreport only (tox chronic)all year

How strict are these limits?

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

Same industry: the 4 Nonclassifiable Establishments permits in California.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/CA0085243 · MCP: https://passage-data.com/mcp