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Unisys Corporation

Sanitary Services, Bristol, Tennessee. NPDES permit TN0064106, in force until May 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form G monthly (16 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (16)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendeddaily maximum≤ 40 mg/Lall year
Methylene chloridedaily maximum≤ .005 mg/Lall year
1,1-Dichloroethanedaily maximum≤ .005 mg/Lall year
1,1,1-Trichloroethanedaily maximum≤ .005 mg/Lall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
1,1-Dichloroethenedaily maximum≤ .005 mg/Lall year
trans-1,2-Dichloroethenedaily maximum≤ .005 mg/Lall year
Tetrachloroethenedaily maximum≤ .005 mg/Lall year
Trichloroethenedaily maximum≤ .005 mg/Lall year
Tetrachloroethane, totaldaily maximum≤ .005 mg/Lall year
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 100 % survivalall year
IC25 Static Renewal 7 Day Chronic Pimephalesminimum≥ 100 % survivalall year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0064106 · MCP: https://passage-data.com/mcp