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Domtar Paper Company, LLC

Paperboard Mills, major discharger, Kingsport, Tennessee. NPDES permit TN0001643, in force until Nov 30, 2028. Last 12 months: over a limit 4 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (16 values), outfall INFT form G monthly (6 values), outfall 001 form Y yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 25 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
January 2026Solids, total suspended, monthly average15314 lb/d≤ 9867 lb/d55%
February 2026BOD, 5-day, 20 deg. C, monthly average11562 lb/d≤ 9009 lb/d28%
February 2026Solids, total suspended, monthly average15749 lb/d≤ 9867 lb/d60%
March 2026Solids, total suspended, monthly average10788 lb/d≤ 9867 lb/d9%

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 9009 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 16731 lb/dall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 9867 lb/dall year001
Solids, total suspendeddaily maximum≤ 18876 lb/dall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, total [as N]rolling average≤ 273 lb/d (alert, not enforceable)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]rolling average≤ 34 lb/d (alert, not enforceable)all year001
Pentachlorophenoldaily maximum≤ 3.7 lb/dall 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
Trichlorophenoldaily maximum≤ 1.3 lb/dall year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily minimum≥ .79 % survivalall year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasdaily minimum≥ .79 % survivalall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all yearINFT
Nitrogen, total [as N]daily maximumreport only (lb/d)all yearINFT
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearINFT
Phosphorus, total [as P]daily maximumreport only (lb/d)all yearINFT
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINFT
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearINFT

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

Same industry: the 8 Paper and Allied Products permits in Tennessee.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0001643 · MCP: https://passage-data.com/mcp