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Lake maintenance update: algae, compressor noise reduced but tone issue remains; plantings on Lake E4-A on hold
Summary
Premier Lakes reported seasonal algae and that enclosing a compressor reduced measured sound from 64 to 52 decibels; the aerator's tone remains a concern and moving the compressor will be explored. Planting in Lake E4-A is delayed pending agreement with the Edgewater Condo Association.
At the July 23 River Ridge CDD meeting, Premier Lakes and district operations staff reported routine maintenance results and steps taken to address noise and planting disputes.
Bill Kurth (Premier Lakes) said lakes, preserves and dry retention areas are in good condition but seasonal algae growth was observed. He reported that staff installed a cabinet around the compressor system at the Masters Lake and that the measured sound level decreased from 64 to 52 decibels; he called the result acceptable.
Operations Manager Shane Willis said the issue was less about measured decibels and more about the "tone" of the aerator; Kurth and Willis discussed relocating the compressor within easement constraints. Mr. Willis will coordinate with Bill and Alex Kurth and report findings at the next meeting.
Board Chair Bob Schultz summarized issues in Edgewater, including flooding and the need for rip-rap; he said Mr. Willis drafted a letter to the Edgewater Condo Association about littorals. The Board reached consensus that no Canna lilies should be planted; plantings proposed for Lake E4-A will be delayed until an agreement is reached with the Edgewater Association and the proposal will be resubmitted at a later date.
In a separate agenda item, Willis presented the annual quality assurance audit for lake maintenance and dry retention. He said water levels were high and that next year’s audit will be earlier; overall the audit found no compliance issues and showed lake conditions have improved under Premier Lakes' maintenance.
