York Building Products Pond No. 5

About York Building Products Pond No. 5

The primary purpose of York Building Products Pond No. 5 is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by York Building Products Co, Inc. (private). It impounds the Principio Creek-tr-os near Principio Furnace.

The dam stands 44 feet tall and stretches 2,300 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 442 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/03/2023.

At 44 feet, this dam is taller than 90% of dams nationwide.

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