Surprise, AZ Tap Water Quality 2026

Water quality report for Surprise, AZ — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Surprise's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Epcor - Agua Fria PWSID: AZ0407695 Updated: 2026 Q2

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1 violation currently open

Lead was not detected. No PFAS was detected.

Surprise earns a D for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected

PFAS tested, none detected

147 violations since 2015, 2 health-based

1 violation currently open

Surprise's lead level vs. all Arizona community water systems

0 ppb5 ppb10 ppb15 ppb

Lead level: Not detected — 0% of the federal action level

✓ Lower lead than % of Arizona utilities

Population Served

71951

~53354 connections

Water Source

Surface water

Drawn from surface water — SDWIS source code SW

Active Violations

1 open of 147 since 2015

Lead & Copper Testing

Lead (Pb)

90th percentile of tap samples collected across the distribution system

0% of EPA action level

Not detected

Action level: 15 ppb

Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

Contaminant	Type	Measured	Limit	Period	Status
Revised Total Coliform Rule	TREATMENT TECHNIQUE	—	—	2025	Unaddressed
Surface Water Treatment Rule	MONITORING AND REPORTING	—	—	2025	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2024	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2024	Resolved
Nitrate	MONITORING AND REPORTING	—	10 mg/L	2024	Resolved
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2023	Resolved
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2023	Resolved
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2023	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2023	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2023	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2023	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2023	Resolved
Nitrate	MONITORING AND REPORTING	—	10 mg/L	2023	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2022	Resolved
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2022	Resolved
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2022	Resolved
Lead and Copper Rule	TREATMENT TECHNIQUE	—	TT	2022	Resolved
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2021	Resolved
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2021	Resolved
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2021	Resolved
Chlordane	MONITORING AND REPORTING	—	0.002 mg/L	2021–2023	Archived
Pentachlorophenol	MONITORING AND REPORTING	—	0.001 mg/L	2021–2023	Archived
Benzo(a)pyrene	MONITORING AND REPORTING	—	0.0002 mg/L	2021–2023	Archived
HEXACHLOROBENZENE	MONITORING AND REPORTING	—	0.001 mg/L	2021–2023	Archived
2,4,5-TP	MONITORING AND REPORTING	—	0.05 mg/L	2021–2023	Archived
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2021–2023	Archived
Heptachlor epoxide	MONITORING AND REPORTING	—	0.0002 mg/L	2021–2023	Archived
Heptachlor	MONITORING AND REPORTING	—	0.0004 mg/L	2021–2023	Archived
2,3,7,8-TCDD	MONITORING AND REPORTING	—	0.00000003 mg/L	2021–2023	Archived
LASSO	MONITORING AND REPORTING	—	—	2021–2023	Archived
Atrazine	MONITORING AND REPORTING	—	0.003 mg/L	2021–2023	Archived
Carbofuran	MONITORING AND REPORTING	—	0.04 mg/L	2021–2023	Archived
Hexachlorocyclopentadiene	MONITORING AND REPORTING	—	0.05 mg/L	2021–2023	Archived
Dinoseb	MONITORING AND REPORTING	—	0.007 mg/L	2021–2023	Archived
Picloram	MONITORING AND REPORTING	—	0.5 mg/L	2021–2023	Archived
Di(2-ethylhexyl) phthalate	MONITORING AND REPORTING	—	0.006 mg/L	2021–2023	Archived
Simazine	MONITORING AND REPORTING	—	0.004 mg/L	2021–2023	Archived
OXAMYL	MONITORING AND REPORTING	—	0.2 mg/L	2021–2023	Archived
Di(2-ethylhexyl) adipate	MONITORING AND REPORTING	—	0.4 mg/L	2021–2023	Archived
Glyphosate	MONITORING AND REPORTING	—	0.7 mg/L	2021–2023	Archived
Endothall	MONITORING AND REPORTING	—	0.1 mg/L	2021–2023	Archived
Diquat	MONITORING AND REPORTING	—	0.02 mg/L	2021–2023	Archived
Dalapon	MONITORING AND REPORTING	—	0.2 mg/L	2021–2023	Archived
Toxaphene	MONITORING AND REPORTING	—	0.003 mg/L	2021–2023	Archived
Methoxychlor	MONITORING AND REPORTING	—	0.04 mg/L	2021–2023	Archived
BHC-GAMMA	MONITORING AND REPORTING	—	0.0002 mg/L	2021–2023	Archived
Endrin	MONITORING AND REPORTING	—	0.002 mg/L	2021–2023	Archived
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2020	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2019	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2019	Resolved
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
CYANIDE	MONITORING AND REPORTING	—	0.2 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Antimony, Total	MONITORING AND REPORTING	—	0.006 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Cadmium	MONITORING AND REPORTING	—	0.005 mg/L	2019	Resolved
Fluoride	MONITORING AND REPORTING	—	4.0 mg/L	2019	Resolved
Fluoride	MONITORING AND REPORTING	—	4.0 mg/L	2019	Resolved
Fluoride	MONITORING AND REPORTING	—	4.0 mg/L	2019	Resolved
Fluoride	MONITORING AND REPORTING	—	4.0 mg/L	2019	Resolved
Fluoride	MONITORING AND REPORTING	—	4.0 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Chromium	MONITORING AND REPORTING	—	0.1 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Thallium, Total	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Beryllium, Total	MONITORING AND REPORTING	—	0.004 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Selenium	MONITORING AND REPORTING	—	0.05 mg/L	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Nickel	MONITORING AND REPORTING	—	—	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Mercury	MONITORING AND REPORTING	—	0.002 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Barium	MONITORING AND REPORTING	—	2 mg/L	2019	Resolved
Arsenic	MONITORING AND REPORTING	—	0.010 mg/L	2019	Resolved

Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

1 violation remains open, out of 147 recorded since 2015 (2 health-based).

About the Main Water System

Utility Epcor - Agua Fria

PWSID AZ0407695

Water source Surface water — Drawn from surface water — SDWIS source code SW

Population served 71,951

Service connections 53,354

Systems serving this area 14

Regulator State primacy agency

Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Surprise tap water safe to drink? ▼

No federal limit is exceeded on record. 1 violation(s) remain open.

Does Surprise water have PFAS? ▼

It was tested for the six regulated PFAS compounds and none were detected.

Who supplies water to Surprise? ▼

Epcor - Agua Fria (PWSID AZ0407695), one of 14 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW

When was this system last inspected? ▼

It was last inspected on 2025-08-05. Inspectors recorded 1 significant deficiency.

What Should Surprise Residents Do?

Read your annual water report

Your supplier publishes a Consumer Confidence Report each July covering the prior year.

Check for a lead service line

Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.

Follow the open violation

This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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