DES PERES, AZ · Yavapai County
CS OAK CREEK PUBLIC SERVICE LLC Water System
Consumer Confidence Report status
CS OAK CREEK PUBLIC SERVICE LLC 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 CS OAK CREEK PUBLIC SERVICE LLC.
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)
- AZ0413042
- System type
- Community Water System
- Population served
- 650
- Service connections
- 260
- Ownership
- privately owned
- Water source
- groundwater (wells)
CS OAK CREEK PUBLIC SERVICE LLC is one of 272 community water systems in Arizona in the 501 to 3,300 people size category, serving 650 people from groundwater.
As of August 1, 2026, its federal record holds 13 entries between 1984 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.
Of the 13, 12 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 inorganic chemicals, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Lead and Copper Rule.
Violation history
Monitoring and Reporting (DBP)
—Chlorine
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Arsenic
January 1, 2017 – March 31, 2017
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2014 – January 30, 2015
ResolvedMonitoring, Regular
—Arsenic
January 1, 2008 – March 31, 2008
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – May 20, 2004
ResolvedMonitoring, Regular
—Fluoride
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Chromium
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Barium
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Mercury
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Nitrate
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Selenium
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Cadmium
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Arsenic
November 9, 1984 – November 8, 1987
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2021 – September 30, 2021 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring, Regular | Arsenic | — | Resolved |
| October 1, 2014 – January 30, 2015 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2008 – March 31, 2008 | Monitoring, Regular | Arsenic | — | Resolved |
| July 1, 2002 – May 20, 2004 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Selenium | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Cadmium | — | Archived |
| November 9, 1984 – November 8, 1987 | Monitoring, Regular | Arsenic | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 26, 2017State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- July 24, 2017State Violation/Reminder Notice190 linked violations
- March 2, 2017State Violation/Reminder Notice378 linked violations
- October 31, 2008State Compliance achieved94 linked violations
- August 14, 2008State Violation/Reminder Notice181 linked violations
- August 14, 2008State Violation/Reminder Notice157 linked violations
- September 30, 1980State Othergeneral compliance action — not tied to a specific violation on record
Common questions
Is CS OAK CREEK PUBLIC SERVICE LLC required to publish a Consumer Confidence Report?
- Yes. CS OAK CREEK PUBLIC SERVICE LLC 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 CS OAK CREEK PUBLIC SERVICE LLC’s next Consumer Confidence Report due?
- CS OAK CREEK PUBLIC SERVICE LLC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CS OAK CREEK PUBLIC SERVICE LLC have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CS OAK CREEK PUBLIC SERVICE LLC.
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
KRIESS, FRED
602-698-9786
DES PERES, MO 63131