Public water system · MS0750011
ActiveYokena-Jeff Davis Water District Inc.
At a glance
Yokena-Jeff Davis Water District Inc. (PWSID MS0750011) is an active community water system in Warren County, Mississippi. It reports serving 2,360 people through 887 service connections. Its primary water source is purchased groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,360
Service connections
887
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Yokena-Jeff Davis Water District Inc. compare with other water systems in Warren County?
By EPA's size categories, Yokena-Jeff Davis Water District Inc. is a small system (501 to 3,300 people). Warren County has 7 active public water systems, and Yokena-Jeff Davis Water District Inc. is the 5th-largest of them by population served. Its population served is well below the county average of 8,020 people per system, and accounts for 4.2% of the 56,140 people reported by systems filed under the county. Across Mississippi, the 1,133 active systems average 2,832 people each. Nationally, the average active community water system reports serving 6,703 people, so Yokena-Jeff Davis Water District Inc. is about 65% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Mississippi has 947 active community water systems, 84% of the state's 1,133 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 66 Mississippi systems (5.8%) list purchased groundwater as their primary source.
Who owns and regulates Yokena-Jeff Davis Water District Inc.?
EPA lists Yokena-Jeff Davis Water District Inc. as under public/private ownership. The MS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 7 active systems in Warren County (57%) are also under public/private ownership.
Does Yokena-Jeff Davis Water District Inc. have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in December 2024. The violations listed here began between December 1996 and December 2024. By type: 3 monitoring and reporting, 3 public notice, recordkeeping or other, 3 contaminant level above the legal limit, 1 monitoring, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Public Notice (3 of them). EPA lists 11 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2021-08-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-05-03 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-01-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2020-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2020-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2000-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Yokena-Jeff Davis Water District Inc.: frequently asked questions
Who runs Yokena-Jeff Davis Water District Inc.?
Yokena-Jeff Davis Water District Inc. (PWSID MS0750011) is a community water system under public/private ownership. It is regulated by the MS state drinking water program.
How many people does Yokena-Jeff Davis Water District Inc. serve?
Yokena-Jeff Davis Water District Inc. reports serving 2,360 people through 887 service connections in Warren County, Mississippi.
Where does Yokena-Jeff Davis Water District Inc. get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Yokena-Jeff Davis Water District Inc. have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in December 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Yokena-Jeff Davis Water District Inc.'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.
Where can I find Yokena-Jeff Davis Water District Inc.'s water quality report?
As a community water system, Yokena-Jeff Davis Water District Inc. must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Warren County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Vicksburg | Warren | 29,238 | Community | Groundwater |
| Culkin Water Dist | Warren | 11,730 | Community | Groundwater |
| Hilldale Water District | Warren | 5,578 | Community | Groundwater |
| Fisher Ferry Water District | Warren | 5,094 | Community | Groundwater |
| Eagle Lake Water District | Warren | 1,815 | Community | Groundwater |
| International Paper Co | Warren | 325 | Non-transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Yokena-Jeff Davis Water District Inc., PWSID MS0750011, Mississippi”, https://aquacensus.com/water-systems/mississippi/yokena-jeff-davis-water-district-inc-ms0750011 (data as of October 1, 2026).