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Clean Air Act stationary source · ICIS-AIR NCFCO0003706700878

MUDDY CREEK WWTP, Winston-Salem, NC: Clean Air Act compliance record, inspections, violations, penalties

MUDDY CREEK WWTP, at 4651 COOPER RD, Winston-Salem in Forsyth County, North Carolina, is an operating minor source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. Forsyth County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filedMUDDY CREEK WWTP
ICIS-AIR IDNCFCO0003706700878
EPA facility registry ID110012146374
Operating statusOperating
Emissions classificationMinor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address4651 COOPER RD, Winston-Salem, NC 27127
CountyForsyth County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Administration of environmental programs (NAICS 9241)
SIC code9511
EPA region04
Local air agencyForsyth County

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs MUDDY CREEK WWTP is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
April 8, 2025FCE On-SiteLocal40 CFR Part 63 Area Sources; New Source Performance Standards (Non-Major); State or Local rule or regulation that is not federally-enforceable
August 1, 2023FCE On-SiteLocal40 CFR Part 63 Area Sources; New Source Performance Standards (Non-Major); State or Local rule or regulation that is not federally-enforceable
July 15, 2021FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards (Non-Major); State or Local rule or regulation that is not federally-enforceable
June 25, 2019FCE On-SiteLocalFederally-Enforceable State Operating Permit - Non Title V; MACT Standards (40 CFR Part 63); New Source Performance Standards (Non-Major); State or Local rule or regulation that is not federally-enforceable
September 15, 2017FCE On-SiteLocalMACT Standards (40 CFR Part 63); New Source Performance Standards (Non-Major); State or Local rule or regulation that is not federally-enforceable

Violations

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

EPA’s violation history file holds no violation for ICIS-AIR NCFCO0003706700878 since January 1, 2017.

Enforcement and penalties

0 formal enforcement actions since January 1, 2017, 0 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Informal enforcement

DateWhat EPA recordedAgency
July 27, 2021Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
April 8, 2025PassLocal
August 1, 2023PassLocal
August 11, 2022PassLocal
July 15, 2021PassState
July 15, 2021PassState
March 5, 2020PassLocal
March 5, 2020PendingLocal

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110012146374 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.