WELLSVILLE (V)

NPDES permit NY0020621 · Major POTW · administratively continued, expires 2020-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2020-05-31 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

1values over a limit
0required values missing, on 0 form(s)
0of 28 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (1).

Reporting

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

Limits in force (63)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 70 deg F (alert) all year
001Temperature, water deg. fahrenheitDAILY MX report only (alert) all year
001Oxygen demand, ultimateDAILY MX <= 625 lb/d Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateDAILY MX <= 630 lb/d Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateDAILY MX report only Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Jun, Jul, Aug, Sep, Oct
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 SU all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 550 lb/d all year
001Solids, total suspendedMO AVG <= 550 lb/d all year
001Solids, total suspended7 DA AVG <= 826 lb/d all year
001Solids, total suspended7 DA AVG <= 830 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspended7 DA AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspended7 DA AVG report only all year
001Solids, settleableDAILY MX <= .1 mL/L all year
001Solids, settleableDAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Copper, total [as Cu]DAILY MX report only (alert) all year
001Copper, total [as Cu]DAILY MX <= .4 lb/d (alert) all year
001Aluminum, total [as Al]DAILY MX report only (alert) all year
001Aluminum, total [as Al]DAILY MX <= 4.5 lb/d (alert) all year
001Nitrogen, ammonia, total [as NH3]MO AVG <= 7 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia, total [as NH3]MO AVG <= 13 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia, total [as NH3]MO AVG report only Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]MO AVG <= 7 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]MO AVG <= 13 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia, total [as NH3]MO AVG <= 128 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia, total [as NH3]MO AVG <= 239 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia, total [as NH3]MO AVG <= 130 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]MO AVG <= 240 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG <= 2.2 MGD all year
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= .3 tox acute (alert) all year
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 5 tox chronic (alert) all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= .3 tox acute (alert) all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 5 tox chronic (alert) all year
001Phenolic compounds, totalMO AVG report only all year
001Phenolic compounds, totalMO AVG <= .46 lb/d all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 459 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 460 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 734 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 730 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG report only all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Carbonaceous oxygen demand, % removalMO AV MN >= 75 % Jan, Feb, Mar, Apr, May, Nov, Dec
001Carbonaceous oxygen demand, % removalMO AV MN >= 85 % Jun, Jul, Aug, Sep, Oct

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