Covia Solutions Inc. - Guion Facility

NPDES permit AR0001899 · Minor NON-POTW · effective, expires 2028-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

0values over a limit
0required values missing, on 0 form(s)
1of 40 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (30)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [low level] [COD]MO AVG <= 50 mg/L all year
001Oxygen demand, chem. [low level] [COD]DAILY MX <= 75 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
010Oxygen demand, chem. [low level] [COD]MO AVG <= 50 mg/L all year
010Oxygen demand, chem. [low level] [COD]DAILY MX <= 75 mg/L all year
010pHMINIMUM >= 6 SU all year
010pHMAXIMUM <= 9 SU all year
010Solids, total suspendedMO AVG <= 20 mg/L all year
010Solids, total suspendedDAILY MX <= 30 mg/L all year
010Oil & GreaseMO AVG <= 10 mg/L all year
010Oil & GreaseDAILY MX <= 15 mg/L all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
011Oxygen demand, chem. [low level] [COD]MO AVG <= 50 mg/L all year
011Oxygen demand, chem. [low level] [COD]DAILY MX <= 75 mg/L all year
011pHMINIMUM >= 6 SU all year
011pHMAXIMUM <= 9 SU all year
011Solids, total suspendedMO AVG <= 20 mg/L all year
011Solids, total suspendedDAILY MX <= 30 mg/L all year
011Oil & GreaseMO AVG <= 10 mg/L all year
011Oil & GreaseDAILY MX <= 15 mg/L all year
011Flow, in conduit or thru treatment plantMO AVG report only all year
011Flow, in conduit or thru treatment plantDAILY MX report only all year

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