WaterVerge

Is Tishomingo, MS Tap Water Safe to Drink?

Graded A, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

818 residents served 1 water system PWSID: MS0710010
Overall Score
90.6 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#12 of 320 in Mississippi Top 14% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.6/100
waterverge.com
A 90.6/100

Tishomingo, MS — Water Quality Report

Tishomingo's drinking water received a grade of A (90.6 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 818 residents using groundwater.

Lead levels were measured at 2.6 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 73 violations on record, including 1 health-based violation. 4 remain unresolved.

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

What to know about Tishomingo's water

Tishomingo ranks #12 out of 320 cities in Mississippi for water quality, placing it one of the best in the state.

Tishomingo 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, Tishomingo may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
90.6 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.6/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.6 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Tishomingo, MS water safe to drink?

Concerns Identified

Tishomingo's drinking water has significant quality concerns based on EPA testing data. With a grade of A (90.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 818 residents using groundwater (wells).

4
Active Violations
2.6 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Tishomingo

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Tishomingo's water quality assessment. Grade: A (90.6/100).

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
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater Rule.

Violation
3 drinking water violations recorded

Contaminants: Combined Uranium, Radium-228, Radium-226.

Key contaminant findings

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

Lead Within Limits
Detected: 2.6 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Tishomingo's water system has 73 total violations on record, including 1 health-based violation. 4 remain unresolved.

OtherTTMR
Most recent violations:
Jul 2017 Consumer Confidence Rule Open
Sep 2013 Groundwater Rule Open
Jul 2012 Combined Uranium Resolved
Jul 2012 Radium-228 Resolved
Jul 2012 Radium-226 Resolved

Flood & environmental risk

Tishomingo County has experienced 5 federally declared disasters since 1991. 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 Pollard Mill Branch, Tenn-Tom Ww Below Jamie Whitten L&D Nr Dennis.

HURRICANE IDA
Hurricane FEMA DR-4626
HURRICANE IDA
Hurricane FEMA DR-3569
HURRICANE GUSTAV
Hurricane FEMA DR-3291

Where does Tishomingo's water come from?

Tishomingo's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 818 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Pollard Mill Branch (river), Tenn-Tom Ww Below Jamie Whitten L&D Nr Dennis (lake).

What Tishomingo residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Tishomingo's water.

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

Tishomingo'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
2.6 ppb
EPA Action Level: 15 ppb · 17% of limit
Safe Level
Compliance Record

Violation summary

73
Total violations
1
Health-based
4
Active / unresolved
Jul 2017
Most recent violation
Compliance Record

Violations & advisories

73 Total
4 Active
1 Health-based
69 Resolved
Violations by category
Radionuclides and Revised Rad Rule
68
Consumer Confidence Rule
1
Ground Water Rule
1
Public Notice Rule and Revised PN Rule
1
Total Coliform Rule
1
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Sep 2013 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2008 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
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-226
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2012
Jan 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2012
Jan 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2012
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
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 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
Apr 2011 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2011
Apr 2011 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2011
Showing 20 of 73 violations
Industrial pollution

Top industrial polluters within 10 miles of Tishomingo

Industrial polluters nearby

Reported releases to surface water by facilities near Tishomingo, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
PATRICK INDUSTRIES INC,DBA BAYMONT INC BELMONT FACILITY
Plastics and Rubber · PATRICK INDUSTRIES
GOLDEN, MS38847
9.9 mi
TISHOMINGO ACQUISITION LLC
Transportation Equipment · TRUCK BODIES & EQUIPMENT INTERNATIONAL INC
TISHOMINGO, MS38873
1.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Tishomingo County is currently in D2 (severe 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.

4
Weeks at D2+ (current streak)
10.7%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

5
Declared disasters
Oct 2021
Most recent
Hurricane
Most common type

Tishomingo County has experienced 5 federally declared disasters since 1991. 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
Aug 2008
HURRICANE GUSTAV
Hurricane FEMA #3291
Aug 2005
HURRICANE KATRINA
Hurricane FEMA #1604
Mar 1991
SEVERE STORMS & FLOODING
Flood FEMA #895

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.6 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 20.4 ppb from 1993 (23.0 ppb) to 2023 (2.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
818
Water Systems
1
Water Source

Where Tishomingo's water comes from

Groundwater

Tishomingo'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 818 people through 1 water system.

Local Hydrology

Water bodies near Tishomingo

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

Pollard Mill Branch
river
Tenn-Tom Ww Below Jamie Whitten L&D Nr Dennis
lake
Infrastructure

Water systems serving Tishomingo

System Name PWSID Population Source
TOWN OF TISHOMINGO MS0710010 818 GW
Regional Comparison

How Tishomingo compares

Full Mississippi rankings →

Tishomingo's score of 90.6/100 is above the average of 54/100 among major Mississippi cities. It outscores 10 of 10 nearby cities.

Tishomingo (this city)
90.6
Jackson
47.8
Canton
50
Oxford
40.5
Mississippi avg
54
City Profile

About Tishomingo, MS

Wikipedia →

Tishomingo is a town in Tishomingo County, Mississippi, United States. As of the 2020 census, Tishomingo had a population of 370.

Economic Profile
$54,167
Median Income
$86,860
Median Home Value
$528/mo
Median Rent
0.9%
Unemployment
Community
31.5
Median Age
238
People / sq mi
15.6%
College Educated
70.1%
Homeownership
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Frequently asked questions

Is Tishomingo, MS tap water safe to drink?

Tishomingo's water quality earned a grade of A (90.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #12 out of 320 cities tested in Mississippi.

What contaminants are in Tishomingo's water?

Lead was measured at 2.6 ppb (90th percentile). 73 violations are on record.

How is Tishomingo'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 Tishomingo?

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

Where does Tishomingo's water come from?

Tishomingo's water is sourced from Groundwater. The city has 1 water system serving approximately 818 residents.

What health violations has Tishomingo's water system had?

Tishomingo has 1 health-based violation on record. The most recent violation was recorded in July 2017. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Tishomingo's groundwater at risk of contamination?

Tishomingo 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 73 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 Tishomingo's water compare to other cities?

Tishomingo ranks #12 out of 320 cities in Mississippi (better than 96% of state cities) and #2143 out of 15744 cities nationally (86th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Tishomingo's small water system affect quality?

Tishomingo's system serves approximately 818 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 73 violations on record.