TECFUSIONS KEYSTONE LLC

NPDES permit PA0000469 · Minor NON-POTW · effective, expires 2029-08-31 · 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
51required values missing, on 3 form(s)
0of 29 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 (77)

OutfallParameterStatisticLimitMonths
004Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedINST MAX <= 60 mg/L all year
004Solids, total suspendedMO AVG <= 18.8 lb/d all year
004Solids, total suspendedDAILY MX report only all year
004Nitrogen, total [as N]INST MAX report only all year
004Nitrogen, ammonia total [as N]MO AVG <= 1.57 mg/L May, Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]MO AVG <= 2.75 mg/L Jan, Feb, Mar, Apr, Nov, Dec
004Nitrogen, ammonia total [as N]INST MAX <= 3.14 mg/L May, Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]INST MAX <= 5.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
004Nitrogen, ammonia total [as N]MO AVG <= .98 lb/d May, Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]MO AVG <= 1.72 lb/d Jan, Feb, Mar, Apr, Nov, Dec
004Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
004Phosphorus, total [as P]INST MAX report only all year
004Iron, total [as Fe]SEMI AVG <= 1.5 mg/L all year
004Iron, total [as Fe]DAILY MX <= 3 mg/L all year
004Iron, total [as Fe]SEMI AVG <= .94 lb/d all year
004Iron, total [as Fe]DAILY MX report only all year
004Manganese, total [as Mn]SEMI AVG <= 1 mg/L all year
004Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
004Manganese, total [as Mn]SEMI AVG <= .63 lb/d all year
004Manganese, total [as Mn]DAILY MX report only all year
004Aluminum, total [as Al]SEMI AVG <= .75 mg/L all year
004Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
004Aluminum, total [as Al]SEMI AVG <= .47 lb/d all year
004Aluminum, total [as Al]DAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG <= .075 MGD all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualMO AVG <= .018 mg/L all year
004Chlorine, total residualINST MAX <= .06 mg/L all year
004Chlorine, total residualMO AVG <= .011 lb/d all year
004Chlorine, total residualDAILY MX report only all year
004E. coliINST MAX report only all year
004Ultraviolet light transmittanceINST MIN report only all year
004Ultraviolet light transmittanceMO AVG report only all year
004Coliform, fecal generalGEO MEAN <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
004Coliform, fecal generalGEO MEAN <= 200 #/100mL May, Jun, Jul, Aug, Sep
004Coliform, fecal generalINST MAX <= 10000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
004Coliform, fecal generalINST MAX <= 1000 #/100mL May, Jun, Jul, Aug, Sep
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
004BOD, carbonaceous [5 day, 20 C]INST MAX <= 50 mg/L all year
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 15.6 lb/d all year
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
005Temperature, water deg. fahrenheitDAILY MX report only all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Solids, total suspendedMO AVG <= 19.5 mg/L all year
005Solids, total suspendedDAILY MX <= 41 mg/L all year
005Oil & GreaseMO AVG <= 12 mg/L all year
005Oil & GreaseDAILY MX <= 20 mg/L all year
005Chromium, hexavalent [as Cr]MO AVG <= .01 mg/L all year
005Chromium, hexavalent [as Cr]DAILY MX <= .02 mg/L all year
005Copper, total [as Cu]MO AVG <= .039 mg/L all year
005Copper, total [as Cu]DAILY MX <= .06 mg/L all year
005Iron, total [as Fe]SEMI AVG <= 1.5 mg/L all year
005Iron, total [as Fe]DAILY MX <= 3 mg/L all year
005Lead, total [as Pb]MO AVG <= .022 mg/L all year
005Lead, total [as Pb]DAILY MX <= .044 mg/L all year
005Manganese, total [as Mn]SEMI AVG <= 1 mg/L all year
005Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
005Nickel, total [as Ni]MO AVG <= .6 mg/L all year
005Nickel, total [as Ni]DAILY MX <= 1.2 mg/L all year
005Zinc, total [as Zn]MO AVG <= .17 mg/L all year
005Zinc, total [as Zn]DAILY MX <= .34 mg/L all year
005Aluminum, total [as Al]MO AVG <= .5 mg/L all year
005Aluminum, total [as Al]DAILY MX <= 1 mg/L all year
005Selenium, total [as Se]MO AVG <= .005 mg/L all year
005Selenium, total [as Se]DAILY MX <= .008 mg/L 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
005Perfluorooctanoic acid (PFOA)DAILY MX report only all year
005PerfluorooctanesulfonateDAILY MX report only all year
005Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
005Hexafluoropropylene oxide dimer acid (HFPO-DA)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