WaterVerge

Is Mize, MS Tap Water Safe to Drink?

Graded B, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 2 water systems PWSID: MS0650005
Overall Score
76.1 / 100
Violations
9 active
Last Updated
May 2026
Source
Groundwater
#137 of 320 in Mississippi Top 60% nationally
Public/Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
76.1/100
waterverge.com
B 76.1/100

Mize, MS — Water Quality Report

Mize's drinking water received a grade of B (76.1 out of 100), indicating good water quality. The city's 2 water systems serve approximately 1,455 residents using groundwater.

Lead levels were measured at 0.6 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 289 violations on record, including 1 health-based violation. 9 remain unresolved.

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

What to know about Mize's water

Mize ranks #137 out of 320 cities in Mississippi for water quality, placing it mid-range in the state.

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

The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
76.1 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
24.1/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.6 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 Mize, MS water safe to drink?

Concerns Identified

Mize's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,455 residents using groundwater (wells).

9
Active Violations
0.6 ppb
Lead (90th %ile)
9 events
Disaster History

Recent water quality updates for Mize

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Mize's water quality assessment. Grade: B (76.1/100).

Violation
4 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
4 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

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
3 drinking water violations recorded

Contaminants: Nitrate-Nitrite, Nitrite, Nitrate.

Key contaminant findings

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

Lead Within Limits
Detected: 0.6 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Mize's water system has 289 total violations on record, including 1 health-based violation. 9 remain unresolved. 8 violations were issued in the last 5 years.

MRMCLOther
Most recent violations:
Jan 2024 TTHM Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Jan 2024 TTHM Resolved
Jan 2023 TTHM Resolved

Flood & environmental risk

Smith County has experienced 9 federally declared disasters since 1969. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE IDA
Hurricane FEMA DR-4626
HURRICANE IDA
Hurricane FEMA DR-3569
HURRICANE ISAAC
Hurricane FEMA DR-4081

Where does Mize's water come from?

Mize's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,455 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Mize residents can do

Install a water filter

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

Mize'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
0.6 ppb
EPA Action Level: 15 ppb · 4% of limit
Safe Level
Compliance Record

Violation summary

289
Total violations
1
Health-based
9
Active / unresolved
Jan 2024
Most recent violation
Compliance Record

Violations & advisories

289 Total
9 Active
1 Health-based
280 Resolved
Violations by category
Radionuclides and Revised Rad Rule
266
Stage 2 Disinfectants and Disinfection Byproducts Rule
8
Consumer Confidence Rule
5
Nitrate Rule
3
Total Coliform Rule
2
Oct 2008 Active
Public Notice
Other Violation 0
Oct 2008 Active
Public Notice
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2020 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Showing 20 of 289 violations
Industrial pollution

Top industrial polluters within 10 miles of Mize

Industrial polluters nearby

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

Total reported releases to surface water: 41 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
BAKELITE CHEMICALS LLC
Chemicals · BAKELITE US HOLDCO INC
TAYLORSVILLE, MS39168
Formaldehyde418.6 mi
TYSON FARMS MAGEE MS FEED MILL
Food · TYSON FOODS INC
MAGEE, MS39111
9.7 mi
ROSEBURG TAYLORSVILLE PARTICLEBOARD
Wood Products · ROSEBURG FOREST PRODUCTS
TAYLORSVILLE, MS39168
5.3 mi
GEORGIA-PACIFIC LLC
Wood Products · KOCH INC
TAYLORSVILLE, MS39168
5.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Smith 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.

3
Weeks at D2+ (current streak)
15.1%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

9
Declared disasters
Oct 2021
Most recent
Hurricane
Most common type

Smith County has experienced 9 federally declared disasters since 1969. 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 2012
HURRICANE ISAAC
Hurricane FEMA #4081
Aug 2008
HURRICANE GUSTAV
Hurricane FEMA #3291
Aug 2005
HURRICANE KATRINA
Hurricane FEMA #1604
Jul 2005
HURRICANE DENNIS
Hurricane FEMA #1594

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.6 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 increased by 1.4 ppb from 1993 (0.0 ppb) to 2023 (1.4 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Public/Private
Population Served
1,455
Water Systems
2
Water Source

Where Mize's water comes from

Groundwater

Mize'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 public/private ownership and serves approximately 1,455 people through 2 water systems.

Infrastructure

Water systems serving Mize

System Name PWSID Population Source
MORRIS WATER ASSOCIATION MS0650005 887 GW
TOWN OF MIZE MS0650004 568 GW
Regional Comparison

How Mize compares

Full Mississippi rankings →

Mize's score of 76.1/100 is above the average of 54/100 among major Mississippi cities. It outscores 9 of 10 nearby cities.

Mize (this city)
76.1
Jackson
47.8
Canton
50
Oxford
40.5
Mississippi avg
54
City Profile

About Mize, MS

Wikipedia →

Mize is a town in Smith County, Mississippi, United States. As of the 2020 census, Mize had a population of 317.

Economic Profile
$48,750
Median Income
$123,893
Median Home Value
4.6%
Unemployment
Community
54.1
Median Age
51
People / sq mi
12.3%
College Educated
84.8%
Homeownership
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Frequently asked questions

Is Mize, MS tap water safe to drink?

Mize's water quality earned a grade of B (76.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #137 out of 320 cities tested in Mississippi.

What contaminants are in Mize's water?

Lead was measured at 0.6 ppb (90th percentile). 289 violations are on record.

How is Mize'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 Mize?

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

Where does Mize's water come from?

Mize's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,455 residents.

What health violations has Mize's water system had?

Mize has 1 health-based violation on record. The most recent violation was recorded in January 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

Is Mize's groundwater at risk of contamination?

Mize 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 289 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 Mize's water compare to other cities?

Mize ranks #137 out of 320 cities in Mississippi (better than 57% of state cities) and #9394 out of 15744 cities nationally (40th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.