Is SURPRISE CITY OF - MOUNTAIN VISTA required to publish a Consumer Confidence Report?

Yes. SURPRISE CITY OF - MOUNTAIN VISTA is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is SURPRISE CITY OF - MOUNTAIN VISTA’s next Consumer Confidence Report due?

SURPRISE CITY OF - MOUNTAIN VISTA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

SURPRISE, AZ · Maricopa County

SURPRISE CITY OF - MOUNTAIN VISTA Water System

Consumer Confidence Report status

SURPRISE CITY OF - MOUNTAIN VISTA must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for SURPRISE CITY OF - MOUNTAIN VISTA.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.

System facts

System ID (PWSID): AZ0407500
System type: Community Water System
Population served: 40,007
Service connections: 15,167
Ownership: local government
Water source: groundwater (wells)

SURPRISE CITY OF - MOUNTAIN VISTA is one of 67 community water systems in Arizona in the 10,001 to 100,000 people size category, serving 40,007 people from groundwater.

As of August 1, 2026, its federal record holds 8 entries between 2017 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.

All 8 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals.

Violation history

Monitoring, Regular
—
Benzene
October 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
Xylenes, Total
October 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2017 – June 30, 2017
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2019 – December 31, 2019	Monitoring, Regular	Benzene	—	Archived
October 1, 2019 – December 31, 2019	Monitoring, Regular	CHLOROBENZENE	—	Archived
October 1, 2019 – December 31, 2019	Monitoring, Regular	Xylenes, Total	—	Archived
October 1, 2019 – December 31, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
October 1, 2019 – December 31, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
July 1, 2017 – September 30, 2017	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring, Regular	Tetrachloroethylene	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

January 23, 2006Federal Variance/Exemption issuedgeneral compliance action — not tied to a specific violation on record

Common questions

Is SURPRISE CITY OF - MOUNTAIN VISTA required to publish a Consumer Confidence Report?: Yes. SURPRISE CITY OF - MOUNTAIN VISTA is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SURPRISE CITY OF - MOUNTAIN VISTA’s next Consumer Confidence Report due?: SURPRISE CITY OF - MOUNTAIN VISTA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SURPRISE CITY OF - MOUNTAIN VISTA have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for SURPRISE CITY OF - MOUNTAIN VISTA.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

PEZZELLE, STEPHANIE R

623-222-7030

SURPRISE, AZ 85374