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North Alamo WSC

Water Supply, Donna, Texas. NPDES permit TX0132497, in force until Aug 28, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (8 values), outfall 101 form A monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (12)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Selenium, total [as Se]daily average≤ .0168 mg/Lall year001
Selenium, total [as Se]daily maximum≤ .0356 mg/Lall year001
Flow, in conduit or thru treatment plantdaily average≤ 1 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Solids, total dissolveddaily averagereport only (mg/L)all year001
Solids, total dissolveddaily maximum≤ 13675 mg/Lall year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Solids, total dissolveddaily averagereport only (mg/L)all year101
Solids, total dissolveddaily maximumreport only (mg/L)all year101

How strict are these limits?

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

Same industry: the 115 Water Supply permits in Texas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0132497 · MCP: https://passage-data.com/mcp