Passage Data · Check a report · Use it from your AI

Iola Isd

Sewage treatment plant, Iola, Texas. NPDES permit TX0092363, in force until Jan 28, 2027. Last 12 months: over a limit 16 times (last April 2026), 32 required values missing, 3 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (16 values), form Q quarterly
Renewal application due
Aug 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
17 values over a limit, 0 required values missing, 6 of 16 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 16 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily average.507 lb/d≤ .23 lb/d120%
October 2025Nitrogen, ammonia total [as N], daily average8 mg/L≤ 4 mg/L100%
November 2025BOD, carbonaceous [5 day, 20 C], daily average> 8 mg/L≤ 20 mg/L—
November 2025BOD, carbonaceous [5 day, 20 C], single grab sample> 8 mg/L≤ 65 mg/L—
November 2025Nitrogen, ammonia total [as N], daily average.514 lb/d≤ .23 lb/d123%
November 2025Nitrogen, ammonia total [as N], daily average17.6 mg/L≤ 4 mg/L340%
November 2025Nitrogen, ammonia total [as N], single grab sample17.6 mg/L≤ 15 mg/L17%
November 2025Solids, total suspended, daily average26.8 mg/L≤ 20 mg/L34%
February 2026Nitrogen, ammonia total [as N], daily average2.461 lb/d≤ .23 lb/d970%
February 2026Nitrogen, ammonia total [as N], daily average28.1 mg/L≤ 4 mg/L603%
February 2026Nitrogen, ammonia total [as N], single grab sample28.1 mg/L≤ 15 mg/L87%
March 2026Nitrogen, ammonia total [as N], daily average29.1 mg/L≤ 4 mg/L628%
March 2026Nitrogen, ammonia total [as N], single grab sample29.1 mg/L≤ 15 mg/L94%
April 2026E. coli, daily average333.3 CFU/100mL≤ 126 CFU/100mL165%
April 2026Nitrogen, ammonia total [as N], daily average71.3 mg/L≤ 4 mg/L1683%
April 2026Nitrogen, ammonia total [as N], single grab sample71.3 mg/L≤ 15 mg/L375%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 2 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 20 mg/Lall year
Solids, total suspendedsingle grab sample≤ 65 mg/Lall year
Solids, total suspendeddaily average≤ 1.2 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ .23 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .007 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year
E. colidaily average≤ 126 CFU/100mLall year
E. colisingle grab sample≤ 399 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 65 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 1.2 lb/dall year

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0092363 · MCP: https://passage-data.com/mcp