City of Raleigh

NPDES permit NC0088137 · Minor NON-POTW · effective, expires 2030-09-30 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit

1required values missing, on 1 form(s)

0of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Tetrachloroethylene (2).

Reports are due about 31 days after each monitoring period ends (the most common figure among NC permits in EPA's filings — check your permit).

Outfall 001, form M (remediated groundwater to Rocky Branch - Monthly): every 1 month(s), 5 values
Outfall 002, form M (internal outfall - Monthly): every 1 month(s), 2 values

Outfall	Parameter	Statistic	Limit	Months
001	pH	DAILY MN	>= 6 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	Tetrachloroethylene	30DA AVG	<= 3.3 ug/L	all year
001	Tetrachloroethylene	DAILY MX	<= 3.3 ug/L	all year
001	Flow, in conduit or thru treatment plant	30DA AVG	<= .107 MGD	all year
002	Tetrachloroethylene	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states