SEWICKLEY BORO WATER AUTH ALLEGHENY CNTY

NPDES permit PA0217751 · Minor NON-POTW · effective, expires 2029-03-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 30 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 (72)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Iron, total [as Fe]MO AVG <= 2 mg/L all year
001Iron, total [as Fe]DAILY MX <= 4 mg/L all year
001Manganese, total [as Mn]MO AVG <= 1 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
001Aluminum, total [as Al]MO AVG <= 4 mg/L all year
001Aluminum, total [as Al]DAILY MX <= 8 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
001Chlorine, total residualMO AVG <= .5 mg/L all year
001Chlorine, total residualDAILY MX <= 1 mg/L 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
001Bromide [as Br]MO AVG report only all year
001Bromide [as Br]DAILY MX report only all year
101pHINST MIN report only all year
101pHINST MAX report only all year
101Solids, total suspendedMO AVG report only all year
101Solids, total suspendedDAILY MX report only all year
101Chloride [as Cl]MO AVG report only all year
101Chloride [as Cl]DAILY MX report only all year
101Sulfate, total [as SO4]MO AVG report only all year
101Sulfate, total [as SO4]DAILY MX report only all year
101Iron, total [as Fe]MO AVG report only all year
101Iron, total [as Fe]DAILY MX report only all year
101Manganese, total [as Mn]MO AVG report only all year
101Manganese, total [as Mn]DAILY MX report only all year
101Aluminum, total [as Al]MO AVG report only all year
101Aluminum, total [as Al]DAILY MX report only all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, total residualMO AVG report only all year
101Chlorine, total residualDAILY MX report only all year
101Solids, total dissolvedMO AVG report only all year
101Solids, total dissolvedDAILY MX report only all year
101Solids, total dissolvedMO AVG report only all year
101Solids, total dissolvedDAILY MX report only all year
101Bromide [as Br]MO AVG report only all year
101Bromide [as Br]DAILY MX report only all year
201pHINST MIN report only all year
201pHINST MAX report only all year
201Solids, total suspendedMO AVG report only all year
201Solids, total suspendedDAILY MX report only all year
201Chloride [as Cl]MO AVG report only all year
201Chloride [as Cl]DAILY MX report only all year
201Sulfate, total [as SO4]MO AVG report only all year
201Sulfate, total [as SO4]DAILY MX report only all year
201Iron, total [as Fe]MO AVG report only all year
201Iron, total [as Fe]DAILY MX report only all year
201Manganese, total [as Mn]MO AVG report only all year
201Manganese, total [as Mn]DAILY MX report only all year
201Aluminum, total [as Al]MO AVG report only all year
201Aluminum, total [as Al]DAILY MX report only all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
201Chlorine, total residualMO AVG report only all year
201Chlorine, total residualDAILY MX report only all year
201Solids, total dissolvedMO AVG report only all year
201Solids, total dissolvedDAILY MX report only all year
201Solids, total dissolvedMO AVG report only all year
201Solids, total dissolvedDAILY MX report only all year
201Bromide [as Br]MO AVG report only all year
201Bromide [as Br]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