Overview
Hazen WWTP is an advanced treatment facility serving Hazen, Arkansas. It processes approximately 568,000 gallons of wastewater daily with a design capacity of 1,041,000 gallons.
Hazen WWTP is a municipal wastewater treatment facility located in Hazen, Prairie County, Arkansas. The plant serves a population of approximately 1,468 residents, providing essential sanitation services for this small community in the central part of the state. The facility employs advanced treatment processes, which go beyond the secondary treatment standard required by the U.S. Clean Water Act. With a design capacity of 1,040,990 gallons per day and an average daily flow of 567,810 gallons, the plant operates well within its capacity, ensuring reliable treatment even during peak flows. The treated effluent is discharged into local waterways that ultimately drain into the Arkansas River basin. The plant's advanced treatment helps protect downstream water quality in the Mississippi River watershed, supporting aquatic life and recreational uses in the region.
Environmental context
Hazen WWTP discharges into tributaries of the Arkansas River, which flows into the Mississippi River and eventually the Gulf of Mexico. The plant's advanced treatment reduces nutrient loads, helping to mitigate hypoxia in the Gulf. The surrounding area is primarily agricultural, so the plant plays a key role in preventing local water pollution from urban runoff and domestic wastewater.
Frequently asked questions
Hazen WWTP is located on Industrial Drive in Hazen, Prairie County, Arkansas, United States.
The plant serves approximately 1,468 residents in the city of Hazen and surrounding areas.
The plant has a design capacity of 1,040,990 gallons per day and currently treats an average of 567,810 gallons per day.
As a municipal wastewater plant in the United States, Hazen WWTP operates under the Clean Water Act's National Pollutant Discharge Elimination System (NPDES) permit program. The advanced treatment level exceeds the secondary treatment standard, indicating additional nutrient removal or other enhanced processes.
For small communities like Hazen (under 2,000 people), secondary treatment is the minimum standard under the Clean Water Act. However, many plants adopt advanced treatment to meet stricter state water quality standards or to protect sensitive downstream waters.
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