Burley Water Hardness & Quality Report (2026)

Burley, Idaho, in Cassia County — the Cassia County seat adjacent to Rupert and Heyburn on the Snake River in south-central Idaho — receives its water from the City of Burley Water Department, drawing from the Snake River through the south-central Idaho distribution.

The moderately hard 98 mg/L hardness and TDS of 222.5 mg/L reflect the Cassia County supply's moderate Snake River basalt character — the Pliocene Snake River basalt and Miocene Idavada Volcanics are slightly calcareous-insoluble volcanic formations in the Snake River Plain; the Snake River at Burley acquires moderate dissolved mineral content from its Snake River Plain volcanic geology and irrigation return flows (compare Rupert ID: 94/212 in Minidoka County comparable; Heyburn ID: 102/233 in Minidoka County comparable; Burley consistent moderate from the same Cassia County Snake River Pliocene basalt supply). The Snake River at Cassia County — Pliocene Snake River basalt (slightly calcareous — primary hardness contributor), Miocene Idavada Volcanics (insoluble — primary dilutant), and Quaternary Snake River alluvium (calcareous — TDS contributor).

At 98 mg/L with TDS 223, Burley's water is moderately hard — mild scale buildup. Semi-annual descaling is appropriate. The PFAS level of 2.1 ppt is very low — an excellent and clean result for south-central Idaho. Review the City of Burley's annual water quality report.