Passage Data · Check a report · Use it from your AI

Worcester County Department of Public Works, Water/Wastewater Division

Water Supply, Berlin, Maryland. NPDES permit MD0066923, in force until Sep 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A monthly (10 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 1 value over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 8.5 SU	all year
Solids, total suspended	maximum monthly average	≤ 20 mg/L	all year
Solids, total suspended	daily maximum	≤ 30 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	maximum monthly average	≤ .011 mg/L	all year
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year
Iron, total [as Fe]	maximum monthly average	≤ 2 mg/L	all year
Iron, total [as Fe]	daily maximum	≤ 3 mg/L	all year

How strict are these limits?

Solids, total suspended, maximum monthly average 20 mg/L — stricter than 72% of 99 other minor industrial and other permits in Maryland; 18% have the same limit
Chlorine, total residual, daily maximum .019 mg/L — stricter than 72% of 37 other minor industrial and other permits in Maryland; 22% have the same limit
Solids, total suspended, daily maximum 30 mg/L — stricter than 63% of 52 other minor industrial and other permits in Maryland; 35% have the same limit

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

Same industry: the 18 Water Supply permits in Maryland.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0066923 · MCP: https://passage-data.com/mcp