Carbo Ceramics Inc

NPDES permit AL0082643 · Minor NON-POTW · administratively continued, expires 2026-04-30 · 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.

This permit expired on 2026-04-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
18required values missing, on 2 form(s)
0of 19 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 29 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (47)

OutfallParameterStatisticLimitMonths
002ConductivityMO AVG report only all year
002ConductivityDAILY MX report only all year
002pHDAILY MN >= 6 SU all year
002pHDAILY MX <= 8.5 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Carbon, tot organic [TOC]MO AVG report only all year
002Carbon, tot organic [TOC]DAILY MX report only all year
002Chloride [as Cl]MO AVG report only all year
002Chloride [as Cl]DAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Toxicity [acute], Ceriodaphnia dubiaSINGSAMP <= 0 pass=0;fail=1 all year
002Toxicity [acute], Pimephales promelas [Fathead Minnow]SINGSAMP <= 0 pass=0;fail=1 all year
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolvedDAILY MX report only all year
003pHDAILY MN report only all year
003pHDAILY MX report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Carbon, tot organic [TOC]DAILY MX report only all year
003Chloride [as Cl]DAILY MX report only all year
003TolueneDAILY MX report only all year
003BenzeneDAILY MX report only all year
003EthylbenzeneDAILY MX report only all year
003NaphthaleneDAILY MX report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Solids, total dissolvedDAILY MX report only all year
003Xylene [mix of m+o+p]DAILY MX report only all year
004pHDAILY MN report only all year
004pHDAILY MX report only all year
004Solids, total suspendedDAILY MX report only all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Carbon, tot organic [TOC]DAILY MX report only all year
004Chloride [as Cl]DAILY MX report only all year
004TolueneDAILY MX report only all year
004BenzeneDAILY MX report only all year
004EthylbenzeneDAILY MX report only all year
004NaphthaleneDAILY MX report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Solids, total dissolvedDAILY MX report only all year
004Xylene [mix of m+o+p]DAILY 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