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

City of Rowley

Sewage treatment plant, Rowley, Iowa. NPDES permit IA0043672, in force until Sep 30, 2027. Last 12 months: over a limit 4 times (last November 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (6 values)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025BOD, carbonaceous [5 day, 20 C], 30-day average40.5≤ 25 mg/L62%
November 2025BOD, carbonaceous [5 day, 20 C], 7-day average40.5≤ 40 mg/L1%
November 2025Solids, total suspended, 30-day average180≤ 80 mg/L125%
November 2025Solids, total suspended, 7-day average180≤ 120 mg/L50%

Limits in force (6)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 80 mg/Lall year
Solids, total suspended7-day average≤ 120 mg/Lall year
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year

Cited limits by parameter: Iowa'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/IA0043672 · MCP: https://passage-data.com/mcp