The Idaho city of Eagle has stayed with lagoons for wastewater treatment even as growth has exploded.
This affluent suburb of Boise has seen its population expand tenfold since 1990, to 33,000, with no signs of slowing. While most municipalities its size and larger embrace mechanical wastewater treatment plants, Eagle remains true to its origins.The Eagle Sewer District was founded in 1963 and soon after brought two lagoons online. Since then a great deal has changed. In 1982 the treatment operations moved to a 40-acre site where the district adopted rapid infiltration basins, reusing its effluent as groundwater recharge instead of
