ALTMAR PARISH WILLIAMSTOWN SCH DIST

NPDES permit NY0216186 · Minor NON-POTW · effective, expires 2027-06-30 · 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.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 4 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 NY permits in EPA's filings — check your permit).

Limits in force (42)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 7 mg/L all year
001Oxygen, dissolved [DO]DAILY MN >= 7 mg/L Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 5 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 5 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CDAILY MX <= 10 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 1.34 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 1.34 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CDAILY MX <= 2.68 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 10 mg/L all year
001Solids, total suspendedDAILY MX <= 10 mg/L all year
001Solids, total suspendedMO AVG <= 2.68 lb/d all year
001Solids, total suspendedDAILY MX <= 2.68 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, settleableDAILY MX <= .1 mL/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 1.24 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 1.81 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .26 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= .48 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= .33 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= .48 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX <= 32000 gal/d all year
001Flow, in conduit or thru treatment plantDAILY MX <= .032 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .03 mg/L 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, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent 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