CITY OF ARLINGTON

NPDES permit IA0027383 · Minor POTW · effective, expires 2029-06-30 · EPA's file as of 2026-09-19

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

1values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-08-31. Most often over: pH (1).

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 (54)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 80 mg/L all year
001Solids, total suspended7 DA AVG <= 120 mg/L all year
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 2.7 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 1.1 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 1 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 3 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 2 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 3 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 1.1 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 2.4 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 3.2 mg/L Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 2.7 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 2.1 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 16.3 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 2.7 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 2.7 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 2.7 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 7.5 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 2.7 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 3.9 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 3.2 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 4.8 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 3.9 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 3.3 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 3.3 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 17.8 lb/d Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 16.9 lb/d Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 7.2 lb/d Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 6.5 lb/d Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 18.6 lb/d Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 12.6 lb/d Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 18.8 lb/d Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 6.8 lb/d Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 15 lb/d Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 20 lb/d Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 17.2 lb/d May
001Nitrogen, ammonia total [as N]30DA AVG <= 12.9 lb/d Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 101.7 lb/d Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 16.9 lb/d Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 16.7 lb/d Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 16.7 lb/d Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 47 lb/d Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 16.9 lb/d Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 24.5 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 20.2 lb/d Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 30 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 24.6 lb/d Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 20.6 lb/d May
001Nitrogen, ammonia total [as N]DAILY MX <= 20.6 lb/d Jun
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L 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