NASSAU COUNTY

NPDES permit NY0026620 · Major POTW · administratively continued, expires 2019-05-31 · 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.

This permit expired on 2019-05-31 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

0values over a limit
0required values missing, on 0 form(s)
0of 39 forms filed late

Last period with anything received: 2026-07-31.

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 (57)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheit3F report only all year
001Oxygen demand, ultimateDAILY MX <= 3500 lb/d all year
001Oxygen, dissolved [DO]MINIMUM >= 7 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspended3F <= 30 mg/L all year
001Solids, total suspended7G <= 45 mg/L all year
001Solids, total suspended3F <= 1400 lb/d all year
001Solids, total suspended7G <= 2100 lb/d all year
001Solids, total suspended3F report only all year
001Solids, total suspended3F report only all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Solids, settleableDAILY MX report only all year
001Nitrogen, nitrite total [as N]MO AVG report only all year
001Nitrogen, nitrite total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Phosphorus, total [as P]QB report only all year
001Phosphorus, total [as P]QB report only all year
001Nickel, total recoverableDAILY MX <= 1.7 lb/d (alert) all year
001Silver total recoverableDAILY MX <= .82 lb/d all year
001Zinc, total recoverableDAILY MX <= 6 lb/d (alert) all year
001Cadmium, total recoverableDAILY MX <= .2 lb/d (alert) all year
001Lead, total recoverableDAILY MX <= 1 lb/d (alert) all year
001Copper, total recoverableDAILY MX <= 4.1 lb/d all year
001Total agg concentration #4MO AVG report only all year
001Total agg concentration #4MO AVG report only all year
001Total agg concentration #4MO AVG report only all year
001Total agg concentration #4MO AVG report only all year
001Total agg concentration #1Agg Rol Av <= 1380 lb/d (alert) all year
001Total agg concentration #1Agg Rol Av <= 959 lb/d all year
001Total agg concentration #21D <= 323 lb/d all year
001Total agg concentration #3MO AVG report only all year
001Nitrogen, ammonia, total [as NH3]MO AVG report only all year
001Nitrogen, ammonia, total [as NH3]MO AVG report only all year
001Flow, in conduit or thru treatment plant3F <= 5.5 MGD all year
001Chlorine, total residualDAILY MX <= .055 mg/L all year
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute (alert) all year
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 6.6 tox chronic all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 6.6 tox chronic all year
001Phosphorous, in total orthophosphateQB report only all year
001Phosphorous, in total orthophosphateQB report only all year
001Mercury, total [as Hg]DAILY MX <= 50 ng/L all year
001Coliform, fecal general30DA GM <= 200 #/100mL all year
001Coliform, fecal general7 DA GEO <= 400 #/100mL all year
001Coliform, total generalMD <= 700 MPN/100mL all year
001BOD, carbonaceous [5 day, 20 C]3F <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7G <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]3F <= 1100 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7G <= 1800 lb/d all year
001BOD, carbonaceous [5 day, 20 C]3F report only all year
001BOD, carbonaceous [5 day, 20 C]3F report only all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Carbonaceous oxygen demand, % removalMO AV MN >= 85 % 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