WaterVerge

Is Sumrall, MS Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: MS0370010
Overall Score
92.1 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#5 of 320 in Mississippi Top 9% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.1/100
waterverge.com
A 92.1/100

Sumrall, MS — Water Quality Report

Sumrall's drinking water received a grade of A (92.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,998 residents using groundwater.

Lead levels were measured at 0.7 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 81 violations on record, including 6 health-based violations. 2 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Sumrall's water

Sumrall ranks #5 out of 320 cities in Mississippi for water quality, placing it one of the best in the state.

Sumrall relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Sumrall may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
92.1 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.7 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Sumrall, MS water safe to drink?

Use Caution

Sumrall's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,998 residents using groundwater (wells).

2
Active Violations
0.7 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Sumrall

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Sumrall's water quality assessment. Grade: A (92.1/100).

Disaster
HURRICANE IDA

Federal disaster declaration (FEMA DR-4626). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE IDA

Federal disaster declaration (FEMA DR-3569). Hurricane event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Radium-228, Radium-226.

Violation
2 drinking water violations recorded

Contaminants: Radium-228, Radium-226.

Violation
2 drinking water violations recorded

Contaminants: Radium-228, Radium-226.

Key contaminant findings

Based on the most recent EPA sampling data for Sumrall's water supply.

Lead Within Limits
Detected: 0.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Sumrall's water system has 81 total violations on record, including 6 health-based violations. 2 remain unresolved.

MRMCLOther
Most recent violations:
Jul 2012 Radium-228 Resolved
Jul 2012 Radium-226 Resolved
Apr 2012 Radium-228 Resolved
Apr 2012 Radium-226 Resolved
Jan 2012 Radium-228 Resolved

Flood & environmental risk

Lamar County has experienced 10 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Bouie Creek Nr Hattiesburg, Okatoma Creek.

HURRICANE IDA
Hurricane FEMA DR-4626
HURRICANE IDA
Hurricane FEMA DR-3569
HURRICANE ZETA
Hurricane FEMA DR-3550

Where does Sumrall's water come from?

Sumrall's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,998 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Bouie Creek Nr Hattiesburg (river), Okatoma Creek (river).

What Sumrall residents can do

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Sumrall's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.7 ppb
EPA Action Level: 15 ppb · 5% of limit
Safe Level
Compliance Record

Violation summary

81
Total violations
6
Health-based
2
Active / unresolved
Jul 2012
Most recent violation
Compliance Record

Violations & advisories

81 Total
2 Active
6 Health-based
79 Resolved
Violations by category
Radionuclides and Revised Rad Rule
66
Total Coliform Rule
11
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Public Notice Rule and Revised PN Rule
1
Oct 2008 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Jul 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Apr 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2012
Apr 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2012
Jan 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2012
Jan 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2012
Nov 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2011
Oct 2011 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Oct 2011 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Oct 2011 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Jul 2011 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2011
Jul 2011 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2011
Jul 2011 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2011
Apr 2011 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2011
Apr 2011 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2011
Apr 2011 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2011
Jan 2011 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2011
Jan 2011 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2011
Showing 20 of 81 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Lamar County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

11.9%
Months in D2+ (last 30y)
2
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Oct 2021
Most recent
Hurricane
Most common type

Lamar County has experienced 10 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2021
HURRICANE IDA
Hurricane FEMA #4626
Aug 2021
HURRICANE IDA
Hurricane FEMA #3569
Oct 2020
HURRICANE ZETA
Hurricane FEMA #3550
Sep 2020
HURRICANE SALLY
Hurricane FEMA #3544
Aug 2020
HURRICANE MARCO AND TROPICAL STORM LAURA
Hurricane FEMA #3539
Mar 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4268

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.7 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 6.3 ppb from 1993 (7.0 ppb) to 2023 (0.7 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,998
Water Systems
1
Water Source

Where Sumrall's water comes from

Groundwater

Sumrall's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 1,998 people through 1 water system.

Local Hydrology

Water bodies near Sumrall

Sumrall is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Bouie Creek Nr Hattiesburg
river
Okatoma Creek
river
Infrastructure

Water systems serving Sumrall

System Name PWSID Population Source
TOWN OF SUMRALL MS0370010 1,998 GW
Regional Comparison

How Sumrall compares

Full Mississippi rankings →

Sumrall's score of 92.1/100 is above the average of 54/100 among major Mississippi cities. It outscores 10 of 10 nearby cities.

Sumrall (this city)
92.1
Jackson
47.8
Canton
50
Oxford
40.5
Mississippi avg
54
City Profile

About Sumrall, MS

Economic Profile
$82,292
Median Income
$199,920
Median Home Value
$887/mo
Median Rent
7.5%
Unemployment
Community
38.3
Median Age
226
People / sq mi
23.2%
College Educated
85.4%
Homeownership
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Frequently asked questions

Is Sumrall, MS tap water safe to drink?

Sumrall's water quality earned a grade of A (92.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #5 out of 320 cities tested in Mississippi.

What contaminants are in Sumrall's water?

Lead was measured at 0.7 ppb (90th percentile). 81 violations are on record.

How is Sumrall's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Sumrall?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Sumrall's water come from?

Sumrall's water is sourced from Groundwater. The city has 1 water system serving approximately 1,998 residents.

What health violations has Sumrall's water system had?

Sumrall has 6 health-based violations on record. The most recent violation was recorded in July 2012. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Sumrall's groundwater at risk of contamination?

Sumrall uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 81 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Sumrall's water compare to other cities?

Sumrall ranks #5 out of 320 cities in Mississippi (better than 98% of state cities) and #1369 out of 15744 cities nationally (91th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Sumrall's small water system affect quality?

Sumrall's system serves approximately 1,998 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 81 violations on record.