Cottonwood Tap Water Quality Report
Cottonwood's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
3 other systems serving parts of Cottonwood report results above guidelines — check which system bills you. VERDE VALLEY MANOR (1 above guidelines), RIO VERDE RV PARK (1 above guidelines), COTTONWOOD MUNICIPAL WATER VV6 (2 above guidelines)
Water system
COTTONWOOD MUNICIPAL WATER CW1
4 other systems also serve parts of Cottonwood. See their figures
People Served
12,029
Health-based violations since 2020
4
COTTONWOOD MUNICIPAL WATER CW1. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jul 2025 · COTTONWOOD MUNICIPAL WATER CW1
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Cottonwood Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Cottonwood's water has 2 contaminants above EPA health-based guidelines (MCLGs).
COTTONWOOD MUNICIPAL WATER CW1, Cottonwood's water system, serves 12,029 people. 4 other systems also serve parts of Cottonwood. Each system's results are listed under its own name, never added to COTTONWOOD MUNICIPAL WATER CW1's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for COTTONWOOD MUNICIPAL WATER CW1 is from Jul 2025.
In EPA's 2023–2026 UCMR 5 testing, COTTONWOOD MUNICIPAL WATER CW1 measured lithium at up to 51.5 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
Cottonwood Water Service Areas
What these numbers actually mean for Cottonwood, AZ
We read Cottonwood, 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.
- 2 contaminants above EPA MCLGs and 5 contaminants with an EPA health goal detected in some samples (no level on file)
- 114 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Cottonwood
Based on Cottonwood'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
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:
Waterdrop
G3 P800
NSF Certified:
Flow Rate
800 gpm
Daily Production
800 gpd
Highlights:
- High water production rate
- Modern design
- No tank needed
- NSF-42, NSF-53, NSF-58, NSF-372 certified
Removes 15 contaminants:
+10 more
Chlorine, Copper, Manganese, Potassium, Selenium, Total Dissolved Solids, Nitrate, Chloride, Sodium, Strontium
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What Cottonwood's water readings can explain
Utility-reported data for Cottonwood includes a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Cottonwood, 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 Cottonwood? 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 Cottonwood
Cottonwood's tap water measures 10.5 grains per gallon (179.0 mg/L) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 10.5 gpg water in Cottonwood — 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 Cottonwood Tap Water
Cottonwood's water has 2 contaminants above EPA MCLGs. We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach COTTONWOOD MUNICIPAL WATER CW1. For a problem with your water now (discolored water, no water, low pressure, a leak), contact COTTONWOOD MUNICIPAL WATER CW1 directly.
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