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Chattem Chemicals, Inc. (SUN-PHARMA)

Medicinals And Botanicals, Chattanooga, Tennessee. NPDES permit TN0002780, in force until Feb 28, 2029. Last 12 months: over a limit 25 times (last September 2026), 8 required values missing, 7 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form G monthly (15 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
25 values over a limit, 4 required values missing, 5 of 12 reports late

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

All 25 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily maximum6.1 mg/L≤ 2.4 mg/L154%
October 2025Nitrogen, ammonia total [as N], monthly average4.79 mg/L≤ 1.2 mg/L299%
October 2025Oxygen, dissolved [DO], minimum4.8 mg/L≥ 5 mg/L4%
November 2025Nitrogen, ammonia total [as N], daily maximum6.14 mg/L≤ 2.4 mg/L156%
November 2025Nitrogen, ammonia total [as N], monthly average4.56 mg/L≤ 1.2 mg/L280%
December 2025Nitrogen, ammonia total [as N], daily maximum5.13 mg/L≤ 2.4 mg/L114%
December 2025Nitrogen, ammonia total [as N], monthly average3.41 mg/L≤ 1.2 mg/L184%
January 2026Nitrogen, ammonia total [as N], daily maximum5.65 mg/L≤ 2.4 mg/L135%
January 2026Nitrogen, ammonia total [as N], monthly average4.58 mg/L≤ 1.2 mg/L282%
February 2026Nitrogen, ammonia total [as N], daily maximum4.49 mg/L≤ 2.4 mg/L87%
February 2026Nitrogen, ammonia total [as N], monthly average3.91 mg/L≤ 1.2 mg/L226%
March 2026Nitrogen, ammonia total [as N], daily maximum5.25 mg/L≤ 2.4 mg/L119%
March 2026Nitrogen, ammonia total [as N], monthly average4.39 mg/L≤ 1.2 mg/L266%
April 2026Nitrogen, ammonia total [as N], daily maximum6.14 mg/L≤ 2.4 mg/L156%
April 2026Nitrogen, ammonia total [as N], monthly average4.56 mg/L≤ 1.2 mg/L280%
May 2026Nitrogen, ammonia total [as N], daily maximum4.95 mg/L≤ 2.4 mg/L106%
May 2026Nitrogen, ammonia total [as N], monthly average4.32 mg/L≤ 1.2 mg/L260%
June 2026Nitrogen, ammonia total [as N], daily maximum12 mg/L≤ 2.4 mg/L400%
June 2026Nitrogen, ammonia total [as N], monthly average4.73 mg/L≤ 1.2 mg/L294%
July 2026Nitrogen, ammonia total [as N], daily maximum5.09 mg/L≤ 2.4 mg/L112%
July 2026Nitrogen, ammonia total [as N], monthly average4.57 mg/L≤ 1.2 mg/L281%
August 2026Nitrogen, ammonia total [as N], daily maximum5.13 mg/L≤ 2.4 mg/L114%
August 2026Nitrogen, ammonia total [as N], monthly average3.41 mg/L≤ 1.2 mg/L184%
September 2026Nitrogen, ammonia total [as N], daily maximum11.9 mg/L≤ 2.4 mg/L396%
September 2026Nitrogen, ammonia total [as N], monthly average5.68 mg/L≤ 1.2 mg/L373%

Limits in force (15)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 20 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily maximum≤ 25 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 2.4 mg/Lall year
Zinc, total [as Zn]monthly average≤ .05 mg/Lall year
Zinc, total [as Zn]daily maximum≤ .3 mg/Lall year
Aluminum, total [as Al]daily maximumreport only (mg/L)all year
Oil and greasedaily maximum≤ 10 mg/Lall 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
Mercury, total [as Hg]daily maximumreport only (mg/L)all year

How strict are these limits?

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

Same industry: the 30 Chemicals 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/TN0002780 · MCP: https://passage-data.com/mcp