Tempe Water Quality Report
11–17
GPG Hardness
(Grains per Gallon)
190–290
mg/L Hardness
(as calcium carbonate)
Very Hard
Classification
(over 10.5 GPG = very hard)
Primary water source: Salt River Project water from Tempe's own treatment facility
Hardness source: City of Tempe water quality data (13.5 GPG average).
Common Hard Water Issues in Tempe
Tempe operates its own water utility drawing primarily from SRP reservoirs. City of Tempe data puts hardness at roughly 11 to 17 GPG, averaging about 13.5 GPG, which is very hard water. With ASU and a dense rental population, many Tempe homeowners are newer to the area and don't realize how much their water is affecting their plumbing, skin, and appliances.
- !Hard water spots on glass and stainless steel
- !Reduced water heater efficiency (major in Tempe's older housing stock)
- !Scale on apartment-style fixtures in attached homes
- !Disinfectant taste and odor more noticeable in summer
- !Sensitive skin reactions common among students and renters
- !Reduced efficiency of energy-efficient appliances
Our Systems for Tempe Homeowners
Salt Softener + RO Bundle
$3,399
Whole-home salt softener with an under-sink alkaline RO system included. Fully installed.
Get This SystemSalt-Free Conditioner
$2,999
Zero maintenance. No salt. Prevents scale without removing minerals.
Get This SystemUnder-Sink RO + Alkaline (Standalone)
$899
Standalone RO drinking water system. Removes 99%+ of contaminants from your tap.
Get This SystemWhy Tempe Homeowners Choose Whale Spout Water
- We install a whole-home salt softener with an under-sink alkaline RO system included in Tempe for $3,399, while Culligan quotes $6,500 to $9,000 for the softener alone
- No sales pressure. Free 15-minute virtual consult, no 90-minute in-home pitch
- Licensed and insured in the state of Arizona
- Lifetime warranty on all equipment we install
- Same-day installs available: water test, survey, and install in one visit
- We buy direct from manufacturers, no franchise fees, no commission markups
Frequently Asked Questions: Tempe
Do you install water softeners in Tempe?
Yes. We serve all of Tempe and the surrounding Phoenix metro area. We install the Salt Softener + RO Bundle ($3,399: a whole-home salt softener with an under-sink alkaline RO system included), salt-free conditioners ($2,999), and standalone under-sink RO systems ($899), all fully installed with lifetime warranties.
How hard is the water in Tempe?
Tempe water runs approximately 11–17 GPG (grains per gallon). Water above 7 GPG is classified as hard and above 10.5 GPG as very hard. At these levels hard water causes scale buildup, appliance wear, and dry skin and hair.
How much does a water softener cost in Tempe?
At Whale Spout Water in Tempe, it's $3,399 for a whole-home salt softener with an under-sink alkaline RO system included, fully installed with a lifetime warranty. That covers all equipment, fittings, and professional installation. Culligan typically quotes $6,500 to $9,000 for a whole-home softener alone.
How long does installation take in Tempe?
Most installations in Tempe are completed in a single visit: our tech comes out, tests your water, surveys the space, and installs the system the same day (typically 4–6 hours). If your home has unusual plumbing, we may need to schedule a follow-up, but we'll always let you know upfront. Someone just needs to be home during the install window.
Ready for Better Water in Tempe?
Book your free 15-minute virtual consult. No pressure, no sales pitch, honest answers.
Also serving nearby communities:
Water hardness and quality figures on this page reflect publicly available data as of June 1, 2026, and may have changed since. For your home's exact numbers, check your water provider's latest annual water quality report or book a free consultation.