Cahaba Resources, LLC

NPDES permit AL0077127 · Minor NON-POTW · administratively continued, expired 2017-05-31 · EPA's file as of 2026-09-26

Keep this permit as a site — opens New site at EPA's facility point (33.423333, -87.328889); you set the radius.

These are the last limits EPA's file holds for this permit, from an earlier version of it (version 0 in EPA's file): its current version carries none yet. Read your permit: a renewal can change them.

EPA's record, 2025-09-01 to 2026-08-31

EPA's file shows no filings for this permit in this window. That is a statement about the file, not about the facility.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AL permits in EPA's filings — check your permit).

• Outfall 016, form 1 (016-1): files for periods ending in Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
• Outfall 016, form Q (016-Q): files for periods ending in Mar, Jun, Dec
• Outfall 016, form W (016-W): files for periods ending in Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
• Outfall 020, form 1 (020-1): files for periods ending in Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
• Outfall 020, form Q (020-Q): files for periods ending in Mar, Jun, Dec
• Outfall 020, form W (020-W): files for periods ending in Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
• Outfall 021, form 1 (021-1): files for periods ending in Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
• Outfall 021, form Q (021-Q): files for periods ending in Mar, Jun, Dec
• Outfall 021, form W (021-W): files for periods ending in Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
• Outfall 027, form 1 (027-1): files for periods ending in Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
• Outfall 027, form Q (027-Q): files for periods ending in Mar, Jun, Dec
• Outfall 027, form W (027-W): files for periods ending in Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec

How strict are these limits?

Each concentration limit against the same limit in comparable permits. Where it appears more than once, its strictest value.

• Zinc, total recoverable, daily maximum 197.3 ug/L — stricter than 53% of 198 other minor industrial and other permits nationwide; 1% have the same limit
• Zinc, total recoverable, monthly average 198.9 ug/L — stricter than 18% of 116 other minor industrial and other permits nationwide
• Solids, total suspended, monthly average 35 mg/L — stricter than 7% of 442 other minor industrial and other permits in Alabama; 29% have the same limit
• Solids, settleable, daily maximum .5 mL/L — stricter than 6% of 77 other minor industrial and other permits in Alabama; 94% have the same limit
• Solids, total suspended, daily maximum 70 mg/L — stricter than 5% of 374 other minor industrial and other permits in Alabama; 37% have the same limit
• Iron, total [as Fe], daily maximum 6 mg/L — stricter than 1% of 143 other minor industrial and other permits in Alabama; 73% have the same limit
• pH, daily maximum 9 SU — stricter than 0% of 593 other minor industrial and other permits in Alabama; 36% have the same limit
• Iron, total [as Fe], monthly average 3 mg/L — stricter than 0% of 135 other minor industrial and other permits in Alabama; 76% have the same limit
• pH, daily minimum at least 6 SU — stricter than 0% of 593 other minor industrial and other permits in Alabama; 99% have the same limit
• Manganese, total [as Mn], monthly average 2 mg/L — stricter than 0% of 103 other minor industrial and other permits in Alabama; 100% have the same limit
• Manganese, total [as Mn], daily maximum 4 mg/L — stricter than 0% of 106 other minor industrial and other permits in Alabama; 100% have the same limit

Limits in force (296)

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states