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Poetry Road Municipal Utility District of Rockwall County

Sewage treatment plant, City Of Royse City, Texas. NPDES permit TX0138410, in force until Jun 5, 2029. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (19 values), form Q quarterly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
December 2025Chlorine, total residual, monthly minimum.81 mg/L≥ 1 mg/L19%
March 2026Nitrogen, ammonia total [as N], daily average< 5.69 mg/L≤ 3 mg/L90%
March 2026Nitrogen, ammonia total [as N], single grab sample28.3 mg/L≤ 15 mg/L89%
June 2026E. coli, single grab sample1200 CFU/100mL≤ 399 CFU/100mL201%

Limits in force (21)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 15 mg/Lall year
Solids, total suspendedsingle grab sample≤ 60 mg/Lall year
Solids, total suspendeddaily average≤ 11 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 2.3 lb/dall year
Phosphorus, total [as P]daily averagereport only (mg/L)all year
Phosphorus, total [as P]single grab samplereport only (mg/L)all year
Phosphorus, total [as P]daily averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantdaily average≤ .09 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≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 35 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 7.5 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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0138410 · MCP: https://passage-data.com/mcp