Sitemap
Human list of the hub routes. Crawlers should use sitemap.xml — that file includes every city, state, contaminant, guide, and tool page.
Lookups
Metros
- Phoenix, Arizona
- Los Angeles, California
- San Diego, California
- San Francisco, California
- Santa Clarita, California
- Chicago, Illinois
- Houston, Texas
- Dallas, Texas
- Austin, Texas
- New York, New York
- Denver, Colorado
- Seattle, Washington
- Portland, Oregon
- Atlanta, Georgia
- Miami, Florida
- Boston, Massachusetts
States
- Alaska
- Alabama
- Arkansas
- Arizona
- California
- Colorado
- Connecticut
- District of Columbia
- Delaware
- Florida
- Georgia
- Hawaii
- Iowa
- Idaho
- Illinois
- Indiana
- Kansas
- Kentucky
- Louisiana
- Massachusetts
- Maryland
- Maine
- Michigan
- Minnesota
- Missouri
- Mississippi
- Montana
- North Carolina
- North Dakota
- Nebraska
- New Hampshire
- New Jersey
- New Mexico
- Nevada
- New York
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Virginia
- Vermont
- Washington
- Wisconsin
- West Virginia
- Wyoming
Contaminants
- Chlorine and chloramine
- Hard water
- Hardness
- Iron
- Lead
- Low pH
- Microplastics
- Nitrates
- PFAS
- Sulfur (hydrogen sulfide)
Treatments
- Acid neutralizer
- Activated carbon (whole-house or POU)
- Air-injection iron and sulfur filter
- Reverse osmosis (point of use)
- Salt-based water softener
- Salt-free conditioner (TAC / NAC)
Guides
- Are water softeners banned in California?
- How to read a Consumer Confidence Report (CCR)
- How to read a Culligan or Kinetico quote vs a published-price Fleck or Clack system
- Independent lab test vs in-home salesman vials
- Iron and sulfur on well water: air injection, not just a softener
- PFAS-capable drinking water: NSF/ANSI 53 and 58 language only
- Phoenix hardness: grain capacity vs bathrooms vs peak flow
- Renting and want under-sink reverse osmosis
- Salt-free conditioners: scale vs soap lather vs glass spotting
- Salt-softener legality: Santa Clarita Valley (LACSD) and how to check your district
- Well water vs city water: what the report can tell you, and what it cannot
- Well water with low pH: acid neutralizer before a softener
- Whole-house carbon for chlorinated city water (when you do not need a softener)
- Year-1 consumables: salt, prefilter cartridges, and when media actually gets replaced