PATTERSON-KELLEY LLC

NPDES permit PA0012394 · Minor NON-POTW · administratively continued, expires 2026-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-08-31 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

17values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-06-30. Most often over: 3,4-Benzofluoranthene (16), Copper, total [as Cu] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (44)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseINST MAX <= 30 mg/L all year
001Nitrite + Nitrate total [as N]SEMI AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]SEMI AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Copper, total [as Cu]MO AVG <= 28.3 ug/L all year
001Copper, total [as Cu]DAILY MX <= 44.1 ug/L all year
001Copper, total [as Cu]MO AVG <= .025 lb/d all year
001Copper, total [as Cu]DAILY MX <= .038 lb/d all year
001Iron, total [as Fe]SEMI AVG report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Iron, total [as Fe]SEMI AVG report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Iron, dissolved [as Fe]MO AVG report only all year
001Iron, dissolved [as Fe]DAILY MX report only all year
001Iron, dissolved [as Fe]MO AVG report only all year
001Iron, dissolved [as Fe]DAILY MX report only all year
001Thallium, total [as Tl]MO AVG <= .5 ug/L all year
001Thallium, total [as Tl]DAILY MX <= .78 ug/L all year
001Thallium, total [as Tl]MO AVG <= .0004 lb/d all year
001Thallium, total [as Tl]DAILY MX <= .0007 lb/d all year
001Zinc, total [as Zn]MO AVG report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Antimony, total [as Sb]MO AVG report only all year
001Antimony, total [as Sb]DAILY MX report only all year
001Antimony, total [as Sb]MO AVG report only all year
001Antimony, total [as Sb]DAILY MX report only all year
001Aluminum, total [as Al]SEMI AVG report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Aluminum, total [as Al]SEMI AVG report only all year
001Aluminum, total [as Al]DAILY MX report only 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
0013,4-BenzofluorantheneMO AVG <= .011 ug/L all year
0013,4-BenzofluorantheneDAILY MX <= .017 ug/L all year
0013,4-BenzofluorantheneMO AVG <= .00001 lb/d all year
0013,4-BenzofluorantheneDAILY MX <= .00001 lb/d 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