UNITED REF CO OF PA

NPDES permit PA0005304 · Major NON-POTW · expired, expires 2016-05-31 · 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 2016-05-31 and is expired: 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
112required values missing, on 14 form(s)
0of 233 forms filed late

Last period with anything received: 2026-06-30.

Reporting

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

Limits in force (282)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 660 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 1190 lb/d all year
001Oxygen demand, chem. [high level] [COD]MO AVG report only all year
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001Oxygen demand, chem. [high level] [COD]MO AVG <= 4630 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 8930 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 530 lb/d all year
001Solids, total suspendedDAILY MX <= 830 lb/d all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 30 mg/L all year
001Oil & GreaseINST MAX <= 30 mg/L all year
001Oil & GreaseMO AVG <= 190 lb/d all year
001Oil & GreaseDAILY MX <= 360 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 360 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 795 lb/d all year
001Sulfide, total [as S]MO AVG report only all year
001Sulfide, total [as S]DAILY MX report only all year
001Sulfide, total [as S]MO AVG <= 3.5 lb/d all year
001Sulfide, total [as S]DAILY MX <= 7.8 lb/d all year
001Chromium, hexavalent [as Cr]MO AVG report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, hexavalent [as Cr]MO AVG <= .33 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= .74 lb/d all year
001Chromium, total [as Cr]MO AVG report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]MO AVG <= 4 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 11.5 lb/d all year
001Phenolics, total recoverableMO AVG report only all year
001Phenolics, total recoverableDAILY MX report only all year
001Phenolics, total recoverableMO AVG <= 3.4 lb/d all year
001Phenolics, total recoverableDAILY MX <= 8 lb/d 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
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Oil & GreaseMO AVG <= 15 mg/L all year
003Oil & GreaseMO AVG report only all year
003Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
003Carbon, tot organic [TOC]INST MAX <= 6.25 mg/L all year
003Carbon, tot organic [TOC]DAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Oil & GreaseMO AVG <= 15 mg/L all year
004Oil & GreaseMO AVG report only all year
004Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
004Carbon, tot organic [TOC]INST MAX <= 6.25 mg/L all year
004Carbon, tot organic [TOC]DAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Oil & GreaseMO AVG <= 15 mg/L all year
005Oil & GreaseMO AVG report only all year
005Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
005Carbon, tot organic [TOC]INST MAX <= 6.25 mg/L all year
005Carbon, tot organic [TOC]DAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Oil & GreaseMO AVG <= 15 mg/L all year
006Oil & GreaseMO AVG report only all year
006Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
006Carbon, tot organic [TOC]INST MAX <= 6.25 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Solids, total suspendedDAILY MX report only all year
007Oil & GreaseMO AVG <= 15 mg/L all year
007Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
007Iron, total [as Fe]DAILY MX report only all year
007Zinc, total [as Zn]DAILY MX report only all year
007Aluminum, total [as Al]DAILY MX report only all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008pHMINIMUM >= 6 SU all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Oil & GreaseMO AVG <= 15 mg/L all year
008Oil & GreaseMO AVG <= 15 mg/L all year
008Oil & GreaseMO AVG report only all year
008Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]DAILY MX report only all year
008Aluminum, total [as Al]DAILY MX report only all year
008Aluminum, total [as Al]DAILY MX report only all year
008Aluminum, total [as Al]DAILY MX report only all year
008Aluminum, total [as Al]DAILY MX report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
009pHMINIMUM >= 6 SU all year
009pHMINIMUM >= 6 SU all year
009pHMAXIMUM <= 9 SU all year
009pHMAXIMUM <= 9 SU all year
009Solids, total suspendedDAILY MX report only all year
009Solids, total suspendedDAILY MX report only all year
009Solids, total suspendedDAILY MX report only all year
009Solids, total suspendedDAILY MX report only all year
009Oil & GreaseMO AVG <= 15 mg/L all year
009Oil & GreaseMO AVG <= 15 mg/L all year
009Oil & GreaseMO AVG report only all year
009Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
009Iron, total [as Fe]DAILY MX report only all year
009Iron, total [as Fe]DAILY MX report only all year
009Zinc, total [as Zn]DAILY MX report only all year
009Zinc, total [as Zn]DAILY MX report only all year
009Aluminum, total [as Al]DAILY MX report only all year
009Aluminum, total [as Al]DAILY MX report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
010pHMINIMUM >= 6 SU all year
010pHMINIMUM >= 6 SU all year
010pHMAXIMUM <= 9 SU all year
010pHMAXIMUM <= 9 SU all year
010Solids, total suspendedDAILY MX report only all year
010Solids, total suspendedDAILY MX report only all year
010Solids, total suspendedDAILY MX report only all year
010Solids, total suspendedDAILY MX report only all year
010Oil & GreaseMO AVG <= 15 mg/L all year
010Oil & GreaseMO AVG <= 15 mg/L all year
010Oil & GreaseMO AVG report only all year
010Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
010Iron, total [as Fe]DAILY MX report only all year
010Iron, total [as Fe]DAILY MX report only all year
010Zinc, total [as Zn]DAILY MX report only all year
010Zinc, total [as Zn]DAILY MX report only all year
010Aluminum, total [as Al]DAILY MX report only all year
010Aluminum, total [as Al]DAILY MX report only all year
010Flow, in conduit or thru treatment plantMO AVG report only 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
010Flow, in conduit or thru treatment plantDAILY MX report only all year
011pHMINIMUM >= 6 SU all year
011pHMINIMUM >= 6 SU all year
011pHMAXIMUM <= 9 SU all year
011pHMAXIMUM <= 9 SU all year
011Solids, total suspendedDAILY MX report only all year
011Solids, total suspendedDAILY MX report only all year
011Solids, total suspendedDAILY MX report only all year
011Solids, total suspendedDAILY MX report only all year
011Oil & GreaseMO AVG <= 15 mg/L all year
011Oil & GreaseMO AVG <= 15 mg/L all year
011Oil & GreaseMO AVG report only all year
011Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
011Iron, total [as Fe]DAILY MX report only all year
011Iron, total [as Fe]DAILY MX report only all year
011Zinc, total [as Zn]DAILY MX report only all year
011Zinc, total [as Zn]DAILY MX report only all year
011Aluminum, total [as Al]DAILY MX report only all year
011Aluminum, total [as Al]DAILY MX report only all year
011Flow, in conduit or thru treatment plantMO AVG report only 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
011Flow, in conduit or thru treatment plantDAILY MX report only all year
012pHMINIMUM >= 6 SU all year
012pHMINIMUM >= 6 SU all year
012pHMAXIMUM <= 9 SU all year
012pHMAXIMUM <= 9 SU all year
012Solids, total suspendedDAILY MX report only all year
012Solids, total suspendedDAILY MX report only all year
012Solids, total suspendedDAILY MX report only all year
012Solids, total suspendedDAILY MX report only all year
012Oil & GreaseMO AVG <= 15 mg/L all year
012Oil & GreaseMO AVG <= 15 mg/L all year
012Oil & GreaseMO AVG report only all year
012Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
012Iron, total [as Fe]DAILY MX report only all year
012Iron, total [as Fe]DAILY MX report only all year
012Zinc, total [as Zn]DAILY MX report only all year
012Zinc, total [as Zn]DAILY MX report only all year
012Aluminum, total [as Al]DAILY MX report only all year
012Aluminum, total [as Al]DAILY MX report only all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
013pHMINIMUM >= 6 SU all year
013pHMINIMUM >= 6 SU all year
013pHMAXIMUM <= 9 SU all year
013pHMAXIMUM <= 9 SU all year
013Solids, total suspendedDAILY MX report only all year
013Solids, total suspendedDAILY MX report only all year
013Solids, total suspendedDAILY MX report only all year
013Solids, total suspendedDAILY MX report only all year
013Oil & GreaseMO AVG <= 15 mg/L all year
013Oil & GreaseMO AVG <= 15 mg/L all year
013Oil & GreaseMO AVG report only all year
013Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
013Iron, total [as Fe]DAILY MX report only all year
013Iron, total [as Fe]DAILY MX report only all year
013Zinc, total [as Zn]DAILY MX report only all year
013Zinc, total [as Zn]DAILY MX report only all year
013Aluminum, total [as Al]DAILY MX report only all year
013Aluminum, total [as Al]DAILY MX report only all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
014pHMINIMUM >= 6 SU all year
014pHMAXIMUM <= 9 SU all year
014Solids, total suspendedDAILY MX report only all year
014Oil & GreaseMO AVG <= 15 mg/L all year
014Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
014Iron, total [as Fe]DAILY MX report only all year
014Zinc, total [as Zn]DAILY MX report only all year
014Aluminum, total [as Al]DAILY MX report only all year
014Flow, in conduit or thru treatment plantMO AVG report only all year
014Flow, in conduit or thru treatment plantDAILY MX report only all year
015pHMINIMUM >= 6 SU all year
015pHMAXIMUM <= 9 SU all year
015Solids, total suspendedDAILY MX report only all year
015Oil & GreaseMO AVG <= 15 mg/L all year
015Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
015Iron, total [as Fe]DAILY MX report only all year
015Zinc, total [as Zn]DAILY MX report only all year
015Aluminum, total [as Al]DAILY MX report only all year
015Flow, in conduit or thru treatment plantMO AVG report only all year
015Flow, in conduit or thru treatment plantDAILY MX report only all year
016pHMINIMUM >= 6 SU all year
016pHMINIMUM >= 6 SU all year
016pHMAXIMUM <= 9 SU all year
016pHMAXIMUM <= 9 SU all year
016Solids, total suspendedDAILY MX report only all year
016Solids, total suspendedDAILY MX report only all year
016Solids, total suspendedDAILY MX report only all year
016Solids, total suspendedDAILY MX report only all year
016Oil & GreaseMO AVG <= 15 mg/L all year
016Oil & GreaseMO AVG <= 15 mg/L all year
016Oil & GreaseMO AVG report only all year
016Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
016Iron, total [as Fe]DAILY MX report only all year
016Iron, total [as Fe]DAILY MX report only all year
016Zinc, total [as Zn]DAILY MX report only all year
016Zinc, total [as Zn]DAILY MX report only all year
016Aluminum, total [as Al]DAILY MX report only all year
016Aluminum, total [as Al]DAILY MX report only all year
016Flow, in conduit or thru treatment plantMO AVG report only all year
016Flow, in conduit or thru treatment plantMO AVG report only all year
016Flow, in conduit or thru treatment plantDAILY MX report only all year
016Flow, in conduit or thru treatment plantDAILY MX report only all year
017pHMINIMUM >= 6 SU all year
017pHMAXIMUM <= 9 SU all year
017Solids, total suspendedDAILY MX report only all year
017Oil & GreaseMO AVG <= 15 mg/L all year
017Carbon, tot organic [TOC]DAILY MX <= 110 mg/L all year
017Iron, total [as Fe]DAILY MX report only all year
017Zinc, total [as Zn]DAILY MX report only all year
017Aluminum, total [as Al]DAILY MX report only all year
017Flow, in conduit or thru treatment plantMO AVG report only all year
017Flow, in conduit or thru treatment plantDAILY MX report only all year

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