Prescott Tap Water Quality Report
Prescott's water has 5 contaminants above EPA MCLGs. We recommend using a certified water filter.
6 other systems serving parts of Prescott report results above guidelines — check which system bills you. LAKESIDE WATER COMPANY (3 above guidelines), BRADSHAW WATER COMPANY INC (4 above guidelines), GRANITE DELLS WATER COMPANY (3 above guidelines), GRANITE PARK HOMEOWNERS ASSOCIATION (2 above guidelines), HIGHLAND PINE DWID (2 above guidelines), PONDEROSA PARK DWID (2 above guidelines)
Other systems listed for Prescott with results above guidelines: RANCHO VIDA RV PARK (2 above guidelines)
Water system
PRESCOTT CITY OF
6 other systems also serve parts of Prescott. 1 other system is listed for Prescott. See their figures
People Served
42,217
Health-based violations since 2020
1
PRESCOTT CITY OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Sep 2025 · PRESCOTT CITY OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Prescott Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Prescott's water has 5 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Prescott's water.
PRESCOTT CITY OF, Prescott's water system, serves 42,217 people. 6 other systems also serve parts of Prescott. 1 other system is listed for Prescott. Each system's results are listed under its own name, never added to PRESCOTT CITY OF's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for PRESCOTT CITY OF is from Sep 2025.
In EPA's 2023–2026 UCMR 5 testing, PRESCOTT CITY OF measured lithium at up to 18.9 µg/L, which EPA counts as above its health reference level of 10 µg/L. That level is a screening value EPA uses to decide what to study further, not a legal limit, and this result does not change this page's water-quality summary.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Arizona
Prescott Water Service Areas
What these numbers actually mean for Prescott, AZ
We read Prescott, AZ’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 5 contaminants above EPA MCLGs and 9 contaminants with an EPA health goal detected in some samples (no level on file)
- 108 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
Free forever. Unsubscribe anytime. We never share your email.
Recommended Water Filters for Prescott
Based on Prescott's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)
AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
Waterdrop
G3 P600
NSF Certified:
Flow Rate
600 gpm
Daily Production
600 gpd
Highlights:
- Space-saving design
- Good contaminant reduction
- NSF-58 certified
Removes 4 contaminants:
Verify Your Water Quality with Independent Testing
With 5 contaminants above EPA MCLGs and 9 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 5 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Prescott's water readings can explain
Utility-reported data for Prescott includes a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Prescott, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Prescott? Public-water results do not apply to private wells. See Yavapai County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Prescott
Prescott's tap water measures 6.1 grains per gallon (104.0 mg/L) — moderately hard on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 6.1 gpg water in Prescott — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For Arizona as a whole, read water softener cost in Arizona — priced against the plumber wage published for the state.
Frequently Asked Questions About Prescott Tap Water
Prescott's water has 5 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Prescott's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach PRESCOTT CITY OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact PRESCOTT CITY OF directly.
Check another location
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.