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Sherman, City of

Water Supply, Sherman, Texas. NPDES permit TX0141755, in force until Dec 12, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: form A monthly (6 values)
Renewal application due: Jun 15, 2027 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 6 reports late

Limits in force (6)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Copper, total [as Cu]	daily average	report only (mg/L)	all year
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year
Flow, in conduit or thru treatment plant	daily average	≤ 2.73 MGD	all year
Flow, in conduit or thru treatment plant	daily maximum	≤ 3.83 MGD	all year

New limits from May 1, 2027

Parameter	New limit	New or tighter	Median, last 12 months	× new limit
Copper, total [as Cu], daily average	0.072 mg/L	new	0.0139 mg/L (5 values)	0.193×
Copper, total [as Cu], daily maximum	0.151 mg/L	new	0.0159 mg/L (5 values)	0.105×

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/TX0141755 · MCP: https://passage-data.com/mcp