PlainWater
Counties → Mississippi

Simpson County, Mississippi

Water Systems
16
Population Served
35,130
Total Violations
8,704
241 health-based
PFAS Detected
2
of 3 tested

Violation Analysis

100.0%
Systems with Violations
544.0
Avg Violations per System
2.8%
Health-Based Violations

Water Source Types

GW
16 systems (100%)

PFAS Contamination

3
Systems Tested
2
PFAS Detected
66.7%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Simpson Mississippi water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (16)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Okatoma Water Association #2 5,866 776 Clean
Smiths Crossing Water Assn 4,480 1,323 Detected
Okatoma Water Association #1 3,981 539 -
City of Magee 3,526 369 Clean
New Hope Water Association 2,587 250 -
Highway 28 Water Association 2,500 263 -
City of Mendenhall 2,500 296 -
Shivers Water Association 2,200 553 -
Harrisville W/A 1,967 1,209 -
Boggan Ridge W/A 1,500 534 -
Poplar Springs Water District 1,188 294 -
Boggan Ridge W/a-Pine Grove 1,177 519 -
Town of Braxton 800 993 -
Town of Dlo 510 599 -
Boswell Regional Center 248 93 -
Howard Industries 100 94 -

Other Counties in Mississippi

Hinds County
29 systems · 297,741 served · 13,146 violations
DeSoto County
23 systems · 202,603 served · 5,185 violations
Harrison County
52 systems · 193,791 served · 15,513 violations
Rankin County
36 systems · 185,902 served · 24,667 violations
Jackson County
36 systems · 149,196 served · 11,232 violations
Madison County
17 systems · 129,931 served · 7,946 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Simpson County? ▼
Simpson County has 8,704 total drinking water violations across 16 water systems, of which 241 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Simpson County systems? ▼
Water systems in Simpson County serve approximately 35,130 people through 16 public water systems.
Has PFAS been detected in Simpson County water? ▼
Of 3 water systems tested for PFAS in Simpson County, 2 had PFAS detected (66.7% detection rate).
What types of water sources supply Simpson County? ▼
Water systems in Simpson County use GW (16 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 2.8% of Simpson County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.