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

Dewees Utility Corporation

Water Supply, Dewees Island, South Carolina. NPDES permit SC0046817 expired Feb 29, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (11 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (12)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Temp. difference, summer [deg. F]weekly average≤ 1.5 deg FMar–Oct
Temp. difference, winter [deg. F]weekly average≤ 4 deg FJan, Feb, Nov, Dec

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

Same industry: the 6 Water Supply permits in South Carolina.

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/SC0046817 · MCP: https://passage-data.com/mcp