Field notes on Rogue Valley water.
Regulatory changes, local water chemistry, and practical household treatment choices — written up from the same CCRs, DEQ files, and USGS data we use when we size a system.
- City water April 2, 2026 · 6 min read
Why Ashland has the highest TTHM and HAA5 load in the Rogue Valley
A 1948 treatment plant, a granitic watershed, and 6.16 ppm total organic carbon in the raw. What the next generation of Ashland water treatment is changing — and what to do until it arrives.
Read the note - Well water March 26, 2026 · 8 min read
Why 44% of tested Jackson County wells have detectable arsenic
The geology behind the number, what the county's Be Well study is measuring, and how to decide between point-of-use RO and whole-house adsorptive media for a rural well.
Read the note - Wildfire March 19, 2026 · 7 min read
Post-Almeda Fire VOCs in Talent water: what the 18-month sampling record actually says
18 VOC detections, 3 MCL exceedances, and peak benzene at 76.4 µg/L — 15x the federal limit. The technical read of the Oregon DWS and AWWA record, and what it means for rebuilt or surviving homes.
Read the note - Regulatory March 12, 2026 · 6 min read
Klamath Falls PFOS and the 2024 EPA MCL: what homeowners need to know before 2029
The Balsam well tested above the new 4.0 ppt EPA PFOS limit. Here's what that actually means for Klamath Falls residents, and what a point-of-use RO does (and doesn't) solve.
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