Aluminum Sulfate for Effluent Stream

This contract secures a five‑year, sole‑source supply of bulk liquid aluminum sulfate (48 % solution) for the Village of Ruidoso’s wastewater treatment plant to meet EPA and NM‑Environment phosphorus limits. The vendor will provide tank‑truck deliveries to an on‑site 6,500‑gallon bulk storage tank, ensuring continuous feed for phosphorus removal. The agreement is valued at roughly $1.14 million over the contract term. • Commodity: Liquid aluminum sulfate (coagulant) for phosphorus removal • Contract value: ~$227,700 per year, total ~$1,138,500 for 5 years • Delivery: Bulk tank‑truck, compatible with existing plant infrastructure (quick‑connect, pumps, meters) • Sole‑source justification: Only regional supplier capable of delivering non‑crystallized liquid alum • Performance metric: Must maintain plant’s 1.67 lb/day phosphorus limit (30‑day average)