The Elsinore Valley Municipal Water District awarded Gannett Fleming, Inc., the construction management contract to convert the Avenues area from septic tanks to the EVMWD sewer system.A 5-0 EVMWD board vote on September 12 approved a professional services agreement with Gannett Fleming which will pay the Chino Hills company $3,065,346.20. The total appropriation authorization of $3,080,673.20 also includes $15,327.00 for overhead.In 2005 the district developed a groundwater management plan which identified the impact nitrate from septic systems may have on drinking water supply wells. Nitrate transport simulations were evaluated to assess the future impacts of septic systems on Elsinore Basin groundwater quality, and the results indicated an expected substantial increase in nitrat
