DES PERES, AZ · Coconino County
CS MORMON LAKE WATER COMPANY Water System
Consumer Confidence Report status
CS MORMON LAKE WATER COMPANY 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 MORMON LAKE WATER COMPANY.
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)
- AZ0403014
- System type
- Community Water System
- Population served
- 353
- Service connections
- 138
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
CS MORMON LAKE WATER COMPANY is one of 1,189 community water systems in Arizona in the 500 or fewer people size category, serving 353 people from surface water.
As of August 1, 2026, its federal record holds 3 entries between 1988 and 1989, all of which EPA lists as closed. Nothing has been added since 1989.
All 3 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 the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 1989 – March 31, 1989
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 1988 – March 31, 1988
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 1989 – March 31, 1989 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 20, 1978State Othergeneral compliance action — not tied to a specific violation on record
Common questions
Is CS MORMON LAKE WATER COMPANY required to publish a Consumer Confidence Report?
- Yes. CS MORMON LAKE WATER COMPANY 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 MORMON LAKE WATER COMPANY’s next Consumer Confidence Report due?
- CS MORMON LAKE WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CS MORMON LAKE WATER COMPANY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CS MORMON LAKE WATER COMPANY.
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