WaterVerge

Is Gloster, MS Tap Water Safe to Drink?

Graded B — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 4 water systems PWSID: MS0030007
Overall Score
77.1 / 100
Violations
12 active
Last Updated
May 2026
Source
Groundwater
#126 of 320 in Mississippi Top 58% nationally
Public/Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.1/100
waterverge.com
B 77.1/100

Gloster, MS — Water Quality Report

Gloster's drinking water received a grade of B (77.1 out of 100), indicating good water quality. The city's 4 water systems serve approximately 3,465 residents using groundwater.

Lead levels were measured at 0.0 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 162 violations on record, including 1 health-based violation. 12 remain unresolved.

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

What to know about Gloster's water

Gloster ranks #126 out of 320 cities in Mississippi for water quality, placing it mid-range in the state.

Gloster 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.

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
77.1 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
31.1/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 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 Gloster, MS water safe to drink?

Concerns Identified

Gloster's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 3,465 residents using groundwater (wells).

12
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Gloster

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Gloster's water quality assessment. Grade: B (77.1/100).

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
2 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

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.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.28 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Gloster's water system has 162 total violations on record, including 1 health-based violation. 12 remain unresolved. 6 violations were issued in the last 5 years.

MRMONOtherMCL
Most recent violations:
Jan 2024 TTHM Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Oct 2023 Revised Total Coliform Rule Resolved
Oct 2023 Chlorine Resolved
Jan 2022 Lead and Copper Rule Open

Flood & environmental risk

Amite 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 Homochitto River.

HURRICANE IDA
Hurricane FEMA DR-4626
HURRICANE IDA
Hurricane FEMA DR-3569
HURRICANE DELTA
Hurricane FEMA DR-3548

Where does Gloster's water come from?

Gloster's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 3,465 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Homochitto River (river).

What Gloster residents can do

Install a water filter

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

Gloster'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
2.28 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

162
Total violations
1
Health-based
12
Active / unresolved
Jan 2024
Most recent violation
Compliance Record

Violations & advisories

162 Total
12 Active
1 Health-based
150 Resolved
Violations by category
Radionuclides and Revised Rad Rule
135
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Consumer Confidence Rule
5
Total Coliform Rule
4
Nitrate Rule
3
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
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 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 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
Oct 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2023
Oct 2023 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2020 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Oct 2019 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Showing 20 of 162 violations
Industrial pollution

Top industrial polluters within 10 miles of Gloster

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
AMITE BIOENERGY LLC
Wood Products · DRAX BIOMASS INC
GLOSTER, MS39638
2.4 mi
USALCO CENTREVILLE PLANT
Chemicals · USALCO LLC
CENTREVILLE, MS39631
9.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Amite 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.

18.1%
Months in D2+ (last 30y)
13
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

Amite 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 DELTA
Hurricane FEMA #3548
Sep 2020
HURRICANE SALLY
Hurricane FEMA #3544
Aug 2020
HURRICANE MARCO AND TROPICAL STORM LAURA
Hurricane FEMA #3539
Aug 2012
HURRICANE ISAAC
Hurricane FEMA #4081

Recommended water filters

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

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.28 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.0 ppb from 1993 (1.0 ppb) to 2025 (0.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.758 mg/L from 2008 (1.523 mg/L) to 2020 (2.282 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Public/Private
Population Served
3,465
Water Systems
4
Source breakdown
Groundwater
2
Purchased Groundwater
2
Water Source

Where Gloster's water comes from

Groundwater

Gloster'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 3,465 people through 4 water systems.

Local Hydrology

Water bodies near Gloster

Gloster is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Homochitto River
river
Infrastructure

Water systems serving Gloster

System Name PWSID Population Source
WILK-AMITE W/A #1-SOUTH MS0030007 2,149 GW
TOWN OF GLOSTER MS0030003 960 GW
PINE STREET WATER ASSOCIATION MS0030006 235 GWP
WILK-AMITE W/A #2-NORTHWEST MS0030021 121 GWP
Regional Comparison

How Gloster compares

Full Mississippi rankings →

Gloster's score of 77.1/100 is above the average of 54/100 among major Mississippi cities. It outscores 9 of 10 nearby cities.

Gloster (this city)
77.1
Jackson
47.8
Canton
50
Oxford
40.5
Mississippi avg
54
City Profile

About Gloster, MS

Economic Profile
$22,131
Median Income
$66,699
Median Home Value
$628/mo
Median Rent
10.9%
Unemployment
Community
42.5
Median Age
279
People / sq mi
10.1%
College Educated
42.3%
Homeownership
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Frequently asked questions

Is Gloster, MS tap water safe to drink?

Gloster's water quality earned a grade of B (77.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #126 out of 320 cities tested in Mississippi.

What contaminants are in Gloster's water?

Lead was measured at 0.0 ppb (90th percentile). 162 violations are on record.

How is Gloster'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 Gloster?

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

Where does Gloster's water come from?

Gloster's water is sourced from Groundwater. The city has 4 water systems serving approximately 3,465 residents.

What health violations has Gloster's water system had?

Gloster 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. 12 violations remain unresolved.

Is Gloster's groundwater at risk of contamination?

Gloster 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 162 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 Gloster's water compare to other cities?

Gloster ranks #126 out of 320 cities in Mississippi (better than 61% of state cities) and #9099 out of 15744 cities nationally (42th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.