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City Public Service Board

Electric Services, Laredo, Texas. NPDES permit TX0001627 expired Jan 29, 2026; its limits still apply. 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 (17 values), outfall 101 form A monthly (7 values), outfall 001 form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 25 reports late

Limits in force (27)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily average≤ 95 deg Fall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 65 mg/Lall year001
Solids, total suspendeddaily average≤ 292 lb/dall year001
Solids, total suspendeddaily maximum≤ 705 lb/dall year001
Oil & Greasedaily average≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasedaily average≤ 108 lb/dall year001
Oil & Greasedaily maximum≤ 161 lb/dall year001
Phosphorus, total [as P]daily maximum≤ 11 mg/Lall year001
Sulfate, total [as SO4]daily maximum≤ 2300 mg/Lall year001
Flow, in conduit or thru treatment plantdaily average≤ 1.3 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 2 MGDall year001
Chlorine, free availabledaily average≤ .2 mg/Lall year001
Chlorine, free availabledaily maximum≤ .5 mg/Lall year001
Chlorine, free availabledaily average≤ .1 lb/dall year001
Chlorine, free availabledaily maximum≤ .25 lb/dall year001
Solids, total dissolveddaily maximum≤ 4800 mg/Lall year001
pHminimum≥ 6 SUall year101
pHmaximum≤ 9 SUall year101
Copper, total [as Cu]daily average≤ .5 mg/Lall year101
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year101
Iron, total [as Fe]daily average≤ 1 mg/Lall year101
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101

How strict are these limits?

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

Same industry: the 87 Electric Services 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/TX0001627 · MCP: https://passage-data.com/mcp