UNVERFERTH MFG. CO., INC.

NPDES permit IA0072231 · Minor NON-POTW · administratively continued, expires 2019-06-30 · 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 2019-06-30 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
58required values missing, on 2 form(s)
0of 24 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among IA permits in EPA's filings — check your permit).

Limits in force (58)

OutfallParameterStatisticLimitMonths
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspended30DA AVG <= 80 mg/L all year
003Solids, total suspended7 DA AVG <= 120 mg/L all year
003BOD, carbonaceous [5 day, 20 C]30DA AVG <= 25 mg/L all year
003BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L all year
009pHDAILY MN >= 6 SU all year
009pHDAILY MX <= 9 SU all year
009Solids, total suspended30DA AVG <= 31 mg/L all year
009Solids, total suspendedDAILY MX <= 60 mg/L all year
009Solids, total suspended30DA AVG <= 1.836 lb/d all year
009Solids, total suspendedDAILY MX <= 3.553 lb/d all year
009Oil & Grease30DA AVG <= 26 mg/L all year
009Oil & GreaseDAILY MX <= 52 mg/L all year
009Oil & Grease30DA AVG <= 1.54 lb/d all year
009Oil & GreaseDAILY MX <= 3.079 lb/d all year
009Cyanide, total [as CN]30DA AVG <= .3451 mg/L all year
009Cyanide, total [as CN]DAILY MX <= .3451 mg/L all year
009Cyanide, total [as CN]30DA AVG <= .03779 lb/d all year
009Cyanide, total [as CN]DAILY MX <= .03779 lb/d all year
009Cadmium, total [as Cd]30DA AVG <= .06771 mg/L all year
009Cadmium, total [as Cd]DAILY MX <= .06771 mg/L all year
009Cadmium, total [as Cd]30DA AVG <= .007413 lb/d all year
009Cadmium, total [as Cd]DAILY MX <= .007413 lb/d all year
009Chromium, hexavalent [as Cr]30DA AVG <= .251 mg/L all year
009Chromium, hexavalent [as Cr]DAILY MX <= .251 mg/L all year
009Chromium, hexavalent [as Cr]30DA AVG <= .02748 lb/d all year
009Chromium, hexavalent [as Cr]DAILY MX <= .02748 lb/d all year
009Chromium, total [as Cr]30DA AVG <= 1.71 mg/L all year
009Chromium, total [as Cr]DAILY MX <= 2.77 mg/L all year
009Chromium, total [as Cr]30DA AVG <= .101 lb/d all year
009Chromium, total [as Cr]DAILY MX <= .164 lb/d all year
009Copper, total [as Cu]30DA AVG <= .36 mg/L all year
009Copper, total [as Cu]DAILY MX <= .36 mg/L all year
009Copper, total [as Cu]30DA AVG <= .03948 lb/d all year
009Copper, total [as Cu]DAILY MX <= .03948 lb/d all year
009Lead, total [as Pb]30DA AVG <= .43 mg/L all year
009Lead, total [as Pb]DAILY MX <= .69 mg/L all year
009Lead, total [as Pb]30DA AVG <= .025 lb/d all year
009Lead, total [as Pb]DAILY MX <= .041 lb/d all year
009Nickel, total [as Ni]30DA AVG <= 2.38 mg/L all year
009Nickel, total [as Ni]DAILY MX <= 3.98 mg/L all year
009Nickel, total [as Ni]30DA AVG <= .141 lb/d all year
009Nickel, total [as Ni]DAILY MX <= .236 lb/d all year
009Silver, total [as Ag]30DA AVG <= .05962 mg/L all year
009Silver, total [as Ag]DAILY MX <= .05962 mg/L all year
009Silver, total [as Ag]30DA AVG <= .006527 lb/d all year
009Silver, total [as Ag]DAILY MX <= .006527 lb/d all year
009Zinc, total [as Zn]30DA AVG <= 1.48 mg/L all year
009Zinc, total [as Zn]DAILY MX <= 2.61 mg/L all year
009Zinc, total [as Zn]30DA AVG <= .088 lb/d all year
009Zinc, total [as Zn]DAILY MX <= .155 lb/d all year
009Chlorine, total residual30DA AVG <= 1.047 mg/L all year
009Chlorine, total residualDAILY MX <= 1.047 mg/L all year
009Chlorine, total residual30DA AVG <= .1228 lb/d all year
009Chlorine, total residualDAILY MX <= .1228 lb/d all year
009Organics, total toxic [TTO]DAILY MX <= 2.13 mg/L all year
009Organics, total toxic [TTO]DAILY MX <= .126 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