A draft of a proposed order from the Santa Ana Regional Water Quality Control Board would force three corporations to clean up drinking water contamination in Rialto and Colton.

The report, scheduled for release today by the staff of the board, would force Goodrich Corp., Pyro Spectaculars Inc. and Black & Decker Inc. to take action to clean up contamination of perchlorate and trichloroethylene, both of which can be harmful to people.

"This is what we have asked for," Rialto City Attorney Bob Owen said.

He said he is pleased with the proposed order because it would require the corporations to assess the extent of the contamination, design a system to clean the contamination and provide replacement water in the meantime.

The order would also require the corporations to reimburse Rialto, Colton and the West Valley Water District for costs incurred because of the contamination.

After complaints from Black & Decker that the regional board is biased, the board delegated its authority to issue cleanup orders to Walt Pettit, a retired state water official.

He will hold hearings on the perchlorate contamination and decide whether to issue the proposed order, a modified order or