JEFFERSON CITY, MO · Cole County
MO AMERICAN JEFFERSON CITY DISTRICT Water System
Consumer Confidence Report status
MO AMERICAN JEFFERSON CITY DISTRICT 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 MO AMERICAN JEFFERSON CITY DISTRICT.
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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.
System facts
- System ID (PWSID)
- MO3010409
- System type
- Community Water System
- Population served
- 30,075
- Service connections
- 10,875
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
MO AMERICAN JEFFERSON CITY DISTRICT is among the 23 largest community water systems in Missouri, serving 30,075 people from surface water.
As of August 1, 2026, its federal record holds 4 entries in 1988, all of which EPA lists as closed. Nothing has been added since 1988.
All 4 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
July 1, 1988 – September 30, 1988
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1988 – March 31, 1988
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1988 – March 31, 1988
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1988 – March 31, 1988
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 13, 1989State Compliance achieved32 linked violations
Common questions
Is MO AMERICAN JEFFERSON CITY DISTRICT required to publish a Consumer Confidence Report?
- Yes. MO AMERICAN JEFFERSON CITY DISTRICT 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 MO AMERICAN JEFFERSON CITY DISTRICT’s next Consumer Confidence Report due?
- MO AMERICAN JEFFERSON CITY DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MO AMERICAN JEFFERSON CITY DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MO AMERICAN JEFFERSON CITY DISTRICT.
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
WHEAT, CURTIS
573-634-3801
JEFFERSON CITY, MO 65109-0000