AMHERST (T)

NPDES permit NY0025950 · Major POTW · administratively continued, expires 2020-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2020-10-31 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

4values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, settleable (3), Coliform, fecal general (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 (73)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen demand, ultimateMO AVG <= 40 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Oxygen demand, ultimate7 DA AVG <= 50 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Oxygen demand, ultimateMO AVG <= 16000 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Oxygen demand, ultimate7 DA AVG <= 20000 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Oxygen, dissolved [DO]DAILY MN report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 12000 lb/d all year
001Solids, total suspended7 DA AVG <= 18000 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX <= .1 mL/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Cyanide, total [as CN]DAILY MX <= 18 lb/d (alert) Jun, Jul, Aug, Sep, Oct
001Cyanide, total [as CN]DAILY MX <= 8 lb/d (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001Zinc, total [as Zn]DAILY MX <= 20 lb/d (alert) all year
001TetrachloroethyleneDAILY MX <= 6.7 lb/d (alert) Jun, Jul, Aug, Sep, Oct
001TetrachloroethyleneDAILY MX <= .81 lb/d (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
0011,4-DichlorobenzeneDAILY MX <= 2.5 lb/d (alert) all year
001Nitrogen, ammonia, total [as NH3]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia, total [as NH3]MO AVG <= 3.65 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 <= 1460 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia, total [as NH3]MO AVG <= 1460 lb/d 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 report only all year
001Endosulfan, totalDAILY MX <= .08 lb/d (alert) all year
001HeptachlorDAILY MX <= .02 lb/d (alert) all year
001PhenolsDAILY MX <= 3.4 lb/d (alert) Jun, Jul, Aug, Sep, Oct
001PhenolsDAILY MX <= 3.2 lb/d (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG <= 48 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .4 mg/L May, Jun, Jul, Aug, Sep, Oct
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= .3 tox acute (alert) all year
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 2 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 <= 2 tox chronic (alert) all year
001Coliform, fecal general30DA GEO <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal general7 DA GEO <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10000 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 16000 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Carbonaceous oxygen demand, % removalMO AV MN >= 85 % all year
002Precipitation, total defined period/inDAILY MX report only all year
002BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspended7 DA AVG <= 45 mg/L all year
002Solids, total suspendedDAILY MX report only all year
002Solids, settleableDAILY MX <= .3 mL/L all year
002Flow, wastewater by-passing trtmnt plant7 DA AVG report only all year
002Flow, wastewater by-passing trtmnt plantDAILY MX report only all year
002Chlorine, total residualDAILY MX <= 2 mg/L all year
002Coliform, fecal general7 DA AVG <= 400 #/100mL all year
002Coliform, fecal generalDAILY MX report only all year
002Solids, floating - visual determinationMO TOTAL <= 0 d/mo all year
002BOD, 5-day, percent removal30DA AVG report only all year
002Solids, suspended percent removal30DA AVG 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