City water profile

Water hardness in Surprise

Find official utility reports, understand hardness, and check the water system serving your home in Surprise, Arizona.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: 3 PPM above
Evidence comparison rank: #3 of 7
Matched utilities: 9
Active health records: 1

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Epcor - Agua Fria

AZ0407695 · Surface water · 127,718 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

1 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (47)

Imported violation history for Epcor - Agua Fria
Rule	Status	Period
Revised Total Coliform RuleHealth-based	Unaddressed	Aug 24, 2025
Surface Water Treatment Rule	Resolved	Jul 1, 2025 to Jul 31, 2025
Arsenic	Resolved	Apr 1, 2024 to Jun 30, 2024
Arsenic	Resolved	Apr 1, 2024 to Jun 30, 2024
Nitrate	Resolved	Apr 1, 2024 to Jun 30, 2024
2,4-D	Resolved	Oct 1, 2023 to Dec 31, 2023
2,4-D	Resolved	Jul 1, 2023 to Sep 30, 2023
2,4-D	Resolved	Jul 1, 2023 to Sep 30, 2023
Arsenic	Resolved	Apr 1, 2023 to Jun 30, 2023
Arsenic	Resolved	Apr 1, 2023 to Jun 30, 2023
Arsenic	Resolved	Apr 1, 2023 to Jun 30, 2023
Nitrate	Resolved	Apr 1, 2023 to Jun 30, 2023
Arsenic	Resolved	Apr 1, 2023 to Jun 30, 2023
Arsenic	Resolved	Oct 1, 2022 to Dec 31, 2022
2,4-D	Resolved	Oct 1, 2022 to Dec 31, 2022
2,4-D	Resolved	Oct 1, 2022 to Dec 31, 2022
Lead and Copper RuleHealth-based	Resolved	Jan 1, 2022 to Jun 30, 2022
Lead and Copper Rule	Resolved	Oct 1, 2021 to Nov 3, 2021
Lead and Copper Rule	Resolved	Jul 1, 2021 to Jul 14, 2021
Lead and Copper Rule	Resolved	Apr 3, 2021 to May 28, 2021
Glyphosate	Archived	Jan 1, 2021 to Dec 31, 2023
Endrin	Archived	Jan 1, 2021 to Dec 31, 2023
Endothall	Archived	Jan 1, 2021 to Dec 31, 2023
Dinoseb	Archived	Jan 1, 2021 to Dec 31, 2023
Pentachlorophenol	Archived	Jan 1, 2021 to Dec 31, 2023
Simazine	Archived	Jan 1, 2021 to Dec 31, 2023
Heptachlor epoxide	Archived	Jan 1, 2021 to Dec 31, 2023
Carbofuran	Archived	Jan 1, 2021 to Dec 31, 2023
Di(2-ethylhexyl) phthalate	Archived	Jan 1, 2021 to Dec 31, 2023
Hexachlorocyclopentadiene	Archived	Jan 1, 2021 to Dec 31, 2023
2,4,5-TP	Archived	Jan 1, 2021 to Dec 31, 2023
2,3,7,8-TCDD	Archived	Jan 1, 2021 to Dec 31, 2023
Dalapon	Archived	Jan 1, 2021 to Dec 31, 2023
BHC-GAMMA	Archived	Jan 1, 2021 to Dec 31, 2023
Heptachlor	Archived	Jan 1, 2021 to Dec 31, 2023
Atrazine	Archived	Jan 1, 2021 to Dec 31, 2023
Di(2-ethylhexyl) adipate	Archived	Jan 1, 2021 to Dec 31, 2023
Methoxychlor	Archived	Jan 1, 2021 to Dec 31, 2023
Picloram	Archived	Jan 1, 2021 to Dec 31, 2023
Benzo(a)pyrene	Archived	Jan 1, 2021 to Dec 31, 2023
Diquat	Archived	Jan 1, 2021 to Dec 31, 2023
OXAMYL	Archived	Jan 1, 2021 to Dec 31, 2023
LASSO	Archived	Jan 1, 2021 to Dec 31, 2023
Chlordane	Archived	Jan 1, 2021 to Dec 31, 2023
2,4-D	Archived	Jan 1, 2021 to Dec 31, 2023
HEXACHLOROBENZENE	Archived	Jan 1, 2021 to Dec 31, 2023
Toxaphene	Archived	Jan 1, 2021 to Dec 31, 2023

Surprise City Of - Mountain Vista

AZ0407500 · Groundwater · 40,007 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (2)

Imported violation history for Surprise City Of - Mountain Vista
Rule	Status	Period
DICHLOROMETHANE	Archived	Jan 1, 2026 to Mar 31, 2026
DICHLOROMETHANE	Archived	Jan 1, 2026 to Mar 31, 2026

Desert Oasis

AZ0407523 · Groundwater · 23,963 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (2)

Imported violation history for Desert Oasis
Rule	Status	Period
DICHLOROMETHANE	Archived	Jan 1, 2026 to Mar 31, 2026
DICHLOROMETHANE	Archived	Jan 1, 2026 to Mar 31, 2026

Beardsley Water Company 1

AZ0407007 · Groundwater · 10,263 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (4)

Imported violation history for Beardsley Water Company 1
Rule	Status	Period
Chlorine	Resolved	Apr 1, 2024 to Apr 30, 2024
Revised Total Coliform Rule	Resolved	May 1, 2022 to Jun 23, 2022
Chlorine	Resolved	Oct 1, 2021 to Dec 31, 2021
Revised Total Coliform Rule	Resolved	May 1, 2021 to Jun 18, 2021

Surprise, City Of Buena Vista

AZ0407538 · Groundwater · 520 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2026 to Jun 30, 2026

Violation history (1)

Imported violation history for Surprise, City Of Buena Vista
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Mar 1, 2025 to May 5, 2025

Peak View Ranch

AZ0407528 · Groundwater · 508 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (3)

Imported violation history for Peak View Ranch
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Jan 1, 2026 to Jan 31, 2026
Lead and Copper Rule	Unaddressed	Jan 1, 2025
Revised Total Coliform Rule	Resolved	May 1, 2021 to Jun 18, 2021

Saguaro View Mgmt Company

AZ0407169 · Groundwater · 400 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (7)

Imported violation history for Saguaro View Mgmt Company
Rule	Status	Period
Consumer Confidence Rule	Resolved	Oct 2, 2025 to Nov 7, 2025
Public Notice	Resolved	Mar 27, 2025 to Nov 10, 2025
Public Notice	Resolved	Feb 1, 2025 to Mar 7, 2025
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Oct 17, 2024
Revised Total Coliform Rule	Resolved	Feb 1, 2024 to Feb 29, 2024
Revised Total Coliform Rule	Resolved	Jan 1, 2024 to Jan 31, 2024
Chlorine	Resolved	Jan 1, 2024 to Jan 31, 2024

White Tank Well Inc

AZ0407549 · Groundwater · 87 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Violation history (23)

Imported violation history for White Tank Well Inc
Rule	Status	Period
Consumer Confidence Rule	Resolved	Oct 2, 2025 to Nov 7, 2025
1,2-Dichloroethane	Resolved	Apr 1, 2025 to Jun 30, 2025
CHLOROBENZENE	Resolved	Apr 1, 2025 to Jun 30, 2025
1,2,4-Trichlorobenzene	Resolved	Apr 1, 2025 to Jun 30, 2025
Ethylbenzene	Resolved	Apr 1, 2025 to Jun 30, 2025
p-Dichlorobenzene	Resolved	Apr 1, 2025 to Jun 30, 2025
Vinyl chloride	Resolved	Apr 1, 2025 to Jun 30, 2025
1,1-Dichloroethylene	Resolved	Apr 1, 2025 to Jun 30, 2025
DICHLOROMETHANE	Resolved	Apr 1, 2025 to Jun 30, 2025
Tetrachloroethylene	Resolved	Apr 1, 2025 to Jun 30, 2025
Styrene	Resolved	Apr 1, 2025 to Jun 30, 2025
Xylenes, Total	Resolved	Apr 1, 2025 to Jun 30, 2025
1,2-Dichloropropane	Resolved	Apr 1, 2025 to Jun 30, 2025
1,1,2-Trichloroethane	Resolved	Apr 1, 2025 to Jun 30, 2025
trans-1,2-Dichloroethylene	Resolved	Apr 1, 2025 to Jun 30, 2025
Trichloroethylene	Resolved	Apr 1, 2025 to Jun 30, 2025
cis-1,2-Dichloroethylene	Resolved	Apr 1, 2025 to Jun 30, 2025
Benzene	Resolved	Apr 1, 2025 to Jun 30, 2025
Toluene	Resolved	Apr 1, 2025 to Jun 30, 2025
o-Dichlorobenzene	Resolved	Apr 1, 2025 to Jun 30, 2025
1,1,1-Trichloroethane	Resolved	Apr 1, 2025 to Jun 30, 2025
Carbon tetrachloride	Resolved	Apr 1, 2025 to Jun 30, 2025
Revised Total Coliform Rule	Resolved	Apr 1, 2024 to Apr 30, 2024

Two Tanks Community Well

AZ0407524 · Groundwater · 76 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Violation history (15)

Imported violation history for Two Tanks Community Well
Rule	Status	Period
Public Notice	Unaddressed	Feb 7, 2026
Public Notice	Unaddressed	Nov 16, 2025
Consumer Confidence Rule	Resolved	Oct 2, 2025 to Nov 7, 2025
LEAD AND COPPER RULE REVISIONS	Unaddressed	Jul 2, 2025
Public Notice	Unaddressed	Feb 14, 2025
Arsenic	Archived	Jan 1, 2025 to Dec 31, 2025
Public Notice	Unaddressed	Dec 20, 2024
LEAD AND COPPER RULE REVISIONS	Resolved	Oct 17, 2024 to Mar 14, 2025
LEAD AND COPPER RULE REVISIONSHealth-based	Resolved	Oct 17, 2024 to Mar 14, 2025
Arsenic	Archived	Jan 1, 2024 to Dec 31, 2024
Revised Total Coliform Rule	Resolved	Nov 1, 2023 to Dec 28, 2023
Revised Total Coliform Rule	Resolved	Nov 1, 2023 to Nov 30, 2023
Arsenic	Archived	Jan 1, 2023 to Dec 31, 2023
Arsenic	Archived	Jan 1, 2022 to Dec 31, 2022
Arsenic	Archived	Jan 1, 2021 to Dec 31, 2021

City summary

What the indexed records say

Surprise has 7 published ZIP profiles across Yavapai County and Maricopa County. The regional-evidence median is 54 PPM. Its comparison-eligible median is 58 PPM versus 55 PPM statewide.

Among the 7 Arizonacities meeting the comparison standard, Surprise ranks #3from highest to lowest. Across all 285 state ZIP profiles, available estimates run from 54to 481 PPM.

The 33–64 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft6 ZIPs

Moderately hard1 ZIP

Hard0 ZIPs

Very hard0 ZIPs

7 of 7 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 9.5 miles
Profiles with evidence: 7/7

Confidence labels

High: 4Moderate: 1Low: 2

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Arizona communities

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248 PPM median

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Cottonwood

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Jerome

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Search all 133 Arizona cities →

Questions people ask

About water in Surprise

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.