Public water system · MS0730010
ActiveLake Arrowhead
At a glance
Lake Arrowhead (PWSID MS0730010) is an active community water system in Union County, Mississippi. It reports serving 174 people through 65 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
174
Service connections
65
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lake Arrowhead compare with other water systems in Union County?
By EPA's size categories, Lake Arrowhead is a very small system (500 people or fewer). Union County has 12 active public water systems. Its population served is well below the county average of 2,248 people per system, and accounts for 0.6% of the 26,974 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 Lake Arrowhead is well 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,053 Mississippi systems (93%) list groundwater as their primary source.
Who owns and regulates Lake Arrowhead?
EPA lists Lake Arrowhead as privately owned. 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. 1 of the 12 active systems in Union County (8.3%) are also privately owned.
Does Lake Arrowhead have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2021. The violations listed here began between January 2016 and September 2021. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Chlorine (2 of them). EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-09-26 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | 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.
Lake Arrowhead: frequently asked questions
Who runs Lake Arrowhead?
Lake Arrowhead (PWSID MS0730010) is a community water system privately owned. It is regulated by the MS state drinking water program.
How many people does Lake Arrowhead serve?
Lake Arrowhead reports serving 174 people through 65 service connections in Union County, Mississippi.
Where does Lake Arrowhead get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Lake Arrowhead have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2021. 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 Lake Arrowhead'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, none is health-based, and the most recent began in September 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.
Where can I find Lake Arrowhead's water quality report?
As a community water system, Lake Arrowhead 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 Union County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of New Albany | Union | 8,900 | Community | Groundwater |
| Wallerville Water Association | Union | 2,886 | Community | Groundwater |
| Ingomar Water Association | Union | 2,782 | Community | Groundwater |
| Keownville Rural Water Assn | Union | 2,663 | Community | Groundwater |
| Town of Myrtle | Union | 2,037 | Community | Groundwater |
| Blue Springs W/A | Union | 1,840 | 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, “Lake Arrowhead, PWSID MS0730010, Mississippi”, https://aquacensus.com/water-systems/mississippi/lake-arrowhead-ms0730010 (data as of October 1, 2026).