Overview
Horner Holdings, Inc. - Arkadelphia Ready Mix Concrete Plant is a stormwater outfall in Arkadelphia, Arkansas, operating under US EPA NPDES MS4 regulations for industrial stormwater discharges.
Horner Holdings, Inc. - Arkadelphia Ready Mix Concrete Plant is a stormwater outfall located at 101 Sand Lane in Arkadelphia, Clark County, Arkansas, United States. The facility is operational and classified under NAICS code 327320 (Ready-Mix Concrete Manufacturing), indicating an industrial catchment with potential stormwater runoff containing sediment and concrete-related pollutants. As a stormwater outfall in the United States, this facility operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permit requirements. Industrial facilities like ready-mix concrete plants typically require a Multi-Sector General Permit (MSGP) for stormwater discharges, which mandates implementation of best management practices (BMPs) to control pollutants such as total suspended solids (TSS), pH, and metals. The facility's location in Arkansas places it under the jurisdiction of the Arkansas Department of Energy and Environment - Division of Environmental Quality (DEQ). The environmental significance of this outfall relates to its potential impact on local water bodies. Stormwater runoff from concrete plants can carry high pH levels and sediment, which may affect aquatic life if not properly managed. The facility's proximity to the Ouachita River basin underscores the importance of compliance with stormwater pollution prevention plans (SWPPP) to protect downstream water quality.
Environmental context
The facility is located in Arkadelphia, Arkansas, within the Ouachita River watershed. Stormwater discharges from industrial sites like ready-mix concrete plants can introduce pollutants such as sediment, elevated pH, and heavy metals into local waterways. The region's climate, with seasonal rainfall patterns, increases the risk of runoff events that could impact aquatic ecosystems. Regulatory oversight under the Clean Water Act and state DEQ ensures that facilities implement controls to minimize these environmental risks.
Frequently asked questions
The stormwater outfall is located at 101 Sand Lane in Arkadelphia, Clark County, Arkansas, United States.
It is a stormwater outfall associated with a ready-mix concrete manufacturing facility, classified under NAICS code 327320.
The facility is subject to the Clean Water Act and NPDES permit requirements, likely under the Multi-Sector General Permit for industrial stormwater discharges, enforced by the Arkansas DEQ.
Common pollutants include total suspended solids (sediment), elevated pH from cement materials, and trace metals. Facilities must implement BMPs to control these under their SWPPP.
The Clean Water Act requires NPDES permits for stormwater discharges from industrial activities. Facilities must develop and implement a Stormwater Pollution Prevention Plan (SWPPP) with BMPs to minimize pollutant runoff.
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