WILLIAMS, AZ · Coconino County
WILLIAMS CITY OF Water System
Consumer Confidence Report status
WILLIAMS CITY OF 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 WILLIAMS CITY OF.
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)
- AZ0403026
- System type
- Community Water System
- Population served
- 3,145
- Service connections
- 1,883
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
WILLIAMS CITY OF is one of 272 community water systems in Arizona in the 501 to 3,300 people size category, serving 3,145 people from surface water.
As of August 1, 2026, its federal record holds 34 entries between 1978 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.
Of the 34, 32 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, synthetic organic chemicals, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring and Reporting (DBP)
—CARBON, TOTAL
January 1, 2023 – March 31, 2023
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2011 – March 31, 2011
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1999 – December 31, 1999
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedGross Alpha, Excl. Radon and U
July 31, 1988 – July 30, 1992
ArchivedMonitoring, Regular
—Methoxychlor
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—2,4,5-TP
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—2,4-D
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Toxaphene
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—BHC-GAMMA
July 1, 1988 – September 30, 1988
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedGross Alpha, Excl. Radon and U
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—Benzene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—Toluene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—Styrene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1987 – July 1, 1990
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1978 – June 23, 1981
ArchivedMonitoring, Regular
—2,4-D
June 24, 1978 – June 23, 1981
ArchivedMonitoring, Regular
—Toxaphene
June 24, 1978 – June 23, 1981
ArchivedMonitoring, Regular
—Endrin
June 24, 1978 – June 23, 1981
ArchivedMonitoring, Regular
—Methoxychlor
June 24, 1978 – June 23, 1981
ArchivedMonitoring, Regular
—BHC-GAMMA
June 24, 1978 – June 23, 1981
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 |
|---|---|---|---|---|
| January 1, 2023 – March 31, 2023 | Monitoring and Reporting (DBP) | CARBON, TOTAL | — | Resolved |
| January 1, 2011 – March 31, 2011 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 1999 – December 31, 1999 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| July 31, 1988 – July 30, 1992 | Maximum Contaminant Level Violation, Single Sample | Gross Alpha, Excl. Radon and U | Health-based | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Methoxychlor | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | 2,4-D | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Toxaphene | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| January 1, 1988 – March 31, 1988 | Maximum Contaminant Level Violation, Single Sample | Gross Alpha, Excl. Radon and U | Health-based | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | Toluene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 1987 – July 1, 1990 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | 2,4-D | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | Toxaphene | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | Endrin | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | Methoxychlor | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | BHC-GAMMA | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 12, 1979State Othergeneral compliance action — not tied to a specific violation on record
Common questions
Is WILLIAMS CITY OF required to publish a Consumer Confidence Report?
- Yes. WILLIAMS CITY OF 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 WILLIAMS CITY OF’s next Consumer Confidence Report due?
- WILLIAMS CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WILLIAMS CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WILLIAMS CITY OF.
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
DENT, D
928-635-4451
WILLIAMS, AZ 86046