WaterVerge

Is Sebastopol, MS Tap Water Safe to Drink?

Graded B-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

6K residents served 1 water system PWSID: MS0620010
Overall Score
73.8 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#150 of 320 in Mississippi Top 64% nationally
Public/Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
73.8/100
waterverge.com
B- 73.8/100

Sebastopol, MS — Water Quality Report

Sebastopol's drinking water received a grade of B- (73.8 out of 100), indicating fair water quality. The city's 1 water system serves approximately 6,207 residents using groundwater.

Lead levels were measured at 1.2 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 423 violations on record, including 1 health-based violation. 3 remain unresolved.

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

What to know about Sebastopol's water

Sebastopol ranks #150 out of 320 cities in Mississippi for water quality, placing it mid-range in the state.

Sebastopol 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
73.8 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
22.1/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.2 ppb (90th percentile).
Contaminants
16.8/20
B
1 PFAS compound detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Sebastopol, MS water safe to drink?

Concerns Identified

Sebastopol's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (73.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 6,207 residents using groundwater (wells).

3
Active Violations
1.2 ppb
Lead (90th %ile)
1 compound
PFAS Detected
7 events
Disaster History

Recent water quality updates for Sebastopol

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Sebastopol's water quality assessment. Grade: B- (73.8/100).

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

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
18 drinking water violations recorded

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

Key contaminant findings

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

Lead Within Limits
Detected: 1.2 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 9.8700 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Sebastopol's water system has 423 total violations on record, including 1 health-based violation. 3 remain unresolved. 2 violations were issued in the last 5 years.

MRMCLOther
Most recent violations:
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Jan 2024 TTHM Resolved
Oct 2012 Radium-228 Resolved
Oct 2012 Combined Uranium Resolved
Oct 2012 Combined Uranium Resolved

Flood & environmental risk

Scott County has experienced 7 federally declared disasters since 2004. 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 Tuscolameta Creek, South Canal Tuscolameta Creek Nr Walnut Grove.

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

Where does Sebastopol's water come from?

Sebastopol's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 6,207 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Tuscolameta Creek (river), South Canal Tuscolameta Creek Nr Walnut Grove (river).

What Sebastopol residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Sebastopol'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

Sebastopol'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
1.2 ppb
EPA Action Level: 15 ppb · 8% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
9.8700 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
9.9 µg/L
State screening level: 60 µg/L · 16% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

423
Total violations
1
Health-based
3
Active / unresolved
Jan 2024
Most recent violation
Compliance Record

Violations & advisories

423 Total
3 Active
1 Health-based
420 Resolved
Violations by category
Radionuclides and Revised Rad Rule
415
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Total Coliform Rule
2
Public Notice Rule and Revised PN Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Oct 2008 Active
Public Notice
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
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
Oct 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Showing 20 of 423 violations
Industrial pollution

Top industrial polluters within 10 miles of Sebastopol

Industrial polluters nearby

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

Total reported releases to surface water: 122,407 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
PECO FOODS INC - SEBASTOPOL PROCESSING
Food · PECO FOODS INC
SEBASTOPOL, MS39359
Nitrate compounds (water dissociable; reportable only when in aqueous solution)122,4070.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Scott 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)
11.3%
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

7
Declared disasters
Oct 2021
Most recent
Hurricane
Most common type

Scott County has experienced 7 federally declared disasters since 2004. 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

Recommended water filters

Based on contaminants detected in Sebastopol's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.2 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 9.870 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.8 ppb from 1992 (3.0 ppb) to 2025 (1.2 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Public/Private
Population Served
6,207
Water Systems
1
Water Source

Where Sebastopol's water comes from

Groundwater

Sebastopol'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 6,207 people through 1 water system.

Local Hydrology

Water bodies near Sebastopol

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

Tuscolameta Creek
river
South Canal Tuscolameta Creek Nr Walnut Grove
river
Infrastructure

Water systems serving Sebastopol

System Name PWSID Population Source
SEBASTOPOL WATER ASSOCIATION MS0620010 6,207 GW
Regional Comparison

How Sebastopol compares

Full Mississippi rankings →

Sebastopol's score of 73.8/100 is above the average of 54/100 among major Mississippi cities. It outscores 9 of 10 nearby cities.

Sebastopol (this city)
73.8
Jackson
47.8
Canton
50
Oxford
40.5
Mississippi avg
54
City Profile

About Sebastopol, MS

Economic Profile
$36,538
Median Income
$103,513
Median Home Value
$733/mo
Median Rent
7.9%
Unemployment
Community
37.8
Median Age
66
People / sq mi
17.6%
College Educated
54.1%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Sebastopol, MS tap water safe to drink?

Sebastopol's water quality earned a grade of B- (73.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #150 out of 320 cities tested in Mississippi.

What contaminants are in Sebastopol's water?

Lead was measured at 1.2 ppb (90th percentile). 1 PFAS compound was detected. 423 violations are on record.

How is Sebastopol'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 Sebastopol?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Sebastopol's water come from?

Sebastopol's water is sourced from Groundwater. The city has 1 water system serving approximately 6,207 residents.

What health violations has Sebastopol's water system had?

Sebastopol 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. 3 violations remain unresolved.

Is Sebastopol's groundwater at risk of contamination?

Sebastopol 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 423 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 Sebastopol's water compare to other cities?

Sebastopol ranks #150 out of 320 cities in Mississippi (better than 53% of state cities) and #10008 out of 15744 cities nationally (36th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.