Contaminant · 0.15 ppb (EWG guideline)
TTHMs
Total trihalomethanes — chlorination byproducts in every chlorinated system.
4.9 · 247 Google reviews 5-year warranty 15 years · 5,000+ installs Serving Los Angeles · Southern California
Why it matters in SoCal
EPA MCL is 80 ppb. LADWP reports 16–42 ppb. EWG health guideline: 0.15 ppb. Volatilizes in hot showers.
Reference: EWG Tap Water Database — TTHM entry
What it is
TTHMs, briefly.
Compounds formed when chlorine reacts with organic matter in source water.
How we remove it
Removed by high-quality activated carbon. Most whole-home filters handle this well.
Test for tthms
Pick a window for your free water test.
We test for tthms on site and lab-verify in 24 hours. You see the numbers before you see a quote.
Test for it free
Find out if tthms is in your water. Free water test, lab numbers in 24 hours.
A SoCal Water Treatment tech runs the field test in your kitchen and sends a sample to an independent lab. You see the numbers before you see a quote.
4.9 · 247 reviews 5-year warranty· Same-day install
Why it's safe to book
- Free water test in your kitchen. Nothing charged until you see the lab numbers.
- Three system options, all-in number, four financing terms shown side-by-side.
- 5-year comprehensive warranty. 90-day money-back guarantee.
- Same-day install in most ZIPs. Permits pulled by us.
Today is the day
Cleaner water at every tap by sundown. No upsell theater.
Free water test in your kitchen. Lab report in 24 hours. 5-year warranty. 90-day money-back.
4.9 · 247 Google reviews· 5,000+ installs· CA C-55 #1085921
