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Tributary 280, LLC

Telephone Communications, Except Radio, Birmingham, Alabama. NPDES permit AL0083569, in force until Sep 30, 2028. Last 12 months: over a limit 4 times (last July 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form 1 monthly (6 values)
Renewal application due: Apr 3, 2028 · 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, 1 of 12 reports late

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

Period ending	Parameter	Reported	Limit	Over by
April 2026	Chlorine, total residual, daily maximum	.1	≤ .019 mg/L	426%
April 2026	Chlorine, total residual, monthly average	.1	≤ .011 mg/L	809%
July 2026	Chlorine, total residual, daily maximum	.16	≤ .019 mg/L	742%
July 2026	Chlorine, total residual, monthly average	.16	≤ .011 mg/L	1355%

Limits in force (6)

Parameter	Statistic	Limit	Months
Temperature, water deg. fahrenheit	daily maximum	≤ 90 deg F	all year
pH	daily minimum	≥ 6 SU	all year
pH	daily maximum	≤ 8.5 SU	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlorine, total residual	monthly average	≤ .011 mg/L	all year
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year

How strict are these limits?

Chlorine, total residual, daily maximum .019 mg/L — stricter than 50% of 204 other minor industrial and other permits in Alabama; 46% have the same limit
pH, daily maximum 8.5 SU — stricter than 36% of 592 other minor industrial and other permits in Alabama; 63% have the same limit
Chlorine, total residual, monthly average .011 mg/L — stricter than 34% of 149 other minor industrial and other permits in Alabama; 61% have the same limit

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

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On EPA ECHO: Facility report · DMR history

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