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chlorination of treated effluent that will be released into the Thornton when the Sperryville sewer project is completed.
Supervisor Lane asked Dennis if an ultraviolet light treatment to disinfect the effluent, rather than chlorination, would be better for the environment. Lane also wondered how much ultraviolet might increase costs.
Dennis said the effects of chlorination currently are being debated. He said their are some concerns about the impact of chlorine on some forms of aquatic life. Dennis said he “personally” would rather not use chlorine, but added that an ultraviolet system could add some $26,000 to the cost of the project, money he was not sure would be picked up by EPA and HUD Mock grants.
Supervisor Charles “Pete” Elates and Chairman Latham both expressed concern that any change in the Sperryville project might delay it further. Adding chlorine at the final stages, they confirmed, already has been approved.
Dennis said he will check further on costs and time involved in changing to ultraviolet treatment so the board can consider it. He said he will report again at the board’s next meeting.
• Flood plain amendment. Zoning Administrator Konick suggested the board consider amending Article 9, Section 9-7 of the 73 Zoning Ordinance, which does not allow building accessory structures in the flood plain. Konick explained that designation of flood plains by soil types render some land useless, even though it has no history of flooding.
It was the third time the zoning administrator had made the pitch for the amendment, the second time before the supervisors. The board had
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