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Harmony Area SCH Dist

Elementary And Secondary Schools, Westover, Pennsylvania. NPDES permit PA0100099 expired Feb 28, 2025; its limits still apply. Last 12 months: no values over a limit, 9 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A monthly (9 values)
Last report on file: June 2026
Oct 2024 – Sep 2025: 1 value over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	daily minimum	≥ 6 mg/L	all year
pH	daily minimum	≥ 6 SU	all year
pH	daily maximum	≤ 9 SU	all year
Solids, total suspended	monthly average	≤ 10 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlorine, total residual	monthly average	≤ 1 mg/L	all year
Coliform, fecal general	geometric mean	≤ 200 #/100mL	all year
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 10 mg/L	all year

How strict are these limits?

Solids, total suspended, monthly average 10 mg/L — stricter than 88% of 2,195 other minor industrial and other permits in Pennsylvania; 11% have the same limit
Oxygen, dissolved [DO], daily minimum at least 6 mg/L — stricter than 87% of 337 other minor industrial and other permits in Pennsylvania; 10% have the same limit
BOD, carbonaceous [5 day, 20 C], monthly average 10 mg/L — stricter than 75% of 1,179 other minor industrial and other permits in Pennsylvania; 23% have the same limit

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

Same industry: the 99 Educational Services permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0100099 · MCP: https://passage-data.com/mcp