SOUTH SALEM, N.Y. - A car wash at the existing Lukoil gas station on Route 123 was approved last month by the Lewisboro Planning Board.

The approval comes months after neighbors of the Oakridge Commons Shopping Center complained that the car wash would exacerbate existing problems at the Oakridge Wastewater Treatment Plant.

However, an engineer hired by the town did not find any basis for those concerns, saying the car wash “will not impact the Oakridge Wastewater Treatment Plant operations and the level of treatment will not be impacted by the added flows.”

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In its approval, the Planning Board required the car wash effluent to meet certain water quality parameters. Quarterly testing will be carried out by Smith Ridge Associates, the owners of the property. Those reports will be reviewed by the town’s consultants.

There was some debate at the March 19 meeting regarding the cost of reviewing those reports. Ultimately, the board resolved that Smith Ridge Associates will be billed for any costs the town incurs.

If a water quality test fails, Smith Ridge Associates may re-test the water and resubmit a new report within 30 days. If that second test receives passing marks, then no additional action will be required.