Benchlands Bedrock, LLC

NPDES permit TN0070771 · Minor industrial permit · effective, expires Sep 30, 2031 · EPA data of Oct 7, 2026

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

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Compared with the same limit in similar permits.

Solids, total suspended, daily maximum 40 mg/L — stricter than 22% of 474 other minor industrial and other permits in Tennessee; 74% have the same limit
Solids, total suspended, monthly average 40 mg/L — stricter than 0% of 432 other minor industrial and other permits in Tennessee; 68% have the same limit
pH, daily minimum at least 6 SU — stricter than 0% of 197 other minor industrial and other permits in Tennessee; 100% have the same limit
pH, daily maximum 9 SU — stricter than 0% of 176 other minor industrial and other permits in Tennessee; 100% have the same limit

Outfall	Parameter	Statistic	Limit	Months
001	pH	daily minimum	>= 6 SU	all year
001	pH	daily maximum	<= 9 SU	all year
001	Solids, total suspended	monthly average	<= 40 mg/L	all year
001	Solids, total suspended	daily maximum	<= 40 mg/L	all year
001	Flow, in conduit or thru treatment plant	monthly average	report only	all year
001	Flow, in conduit or thru treatment plant	daily maximum	report only	all year

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states