WaterVerge

Is Crosby, MS Tap Water Safe to Drink?

Graded B+, with 23 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

994 residents served 2 water systems PWSID: MS0030001
Overall Score
80.5 / 100
Violations
23 active
Last Updated
May 2026
Source
Groundwater
#93 of 320 in Mississippi Top 50% nationally
Public/Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
80.5/100
waterverge.com
B+ 80.5/100

Crosby, MS — Water Quality Report

Crosby's drinking water received a grade of B+ (80.5 out of 100), indicating good water quality. The city's 2 water systems serve approximately 994 residents using groundwater.

Lead levels were measured at 0.8 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 104 violations on record, including 9 health-based violations. 23 remain unresolved.

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

What to know about Crosby's water

Crosby ranks #93 out of 320 cities in Mississippi for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
80.5 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
33.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Crosby, MS water safe to drink?

Concerns Identified

Crosby's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 994 residents using groundwater (wells).

23
Active Violations
0.8 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Crosby

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Crosby's water quality assessment. Grade: B+ (80.5/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Disaster
HURRICANE IDA

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

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater Rule.

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.

Key contaminant findings

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

Lead Within Limits
Detected: 0.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Crosby's water system has 104 total violations on record, including 9 health-based violations. 23 remain unresolved. 2 violations were issued in the last 5 years.

OtherTTMR
Most recent violations:
Jan 2022 Public Notice Open
Oct 2021 Groundwater Rule Open
Jul 2017 Consumer Confidence Rule Open
Sep 2013 Groundwater Rule Open
Jul 2013 Consumer Confidence 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 Crosby's water come from?

Crosby's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 994 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 Crosby residents can do

Install a water filter

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

Crosby'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
0.8 ppb
EPA Action Level: 15 ppb · 5% of limit
Safe Level
Compliance Record

Violation summary

104
Total violations
9
Health-based
23
Active / unresolved
Jan 2022
Most recent violation
Compliance Record

Violations & advisories

104 Total
23 Active
9 Health-based
81 Resolved
Violations by category
Radionuclides and Revised Rad Rule
78
Ground Water Rule
9
Consumer Confidence Rule
7
Public Notice Rule and Revised PN Rule
3
Total Coliform Rule
3
Jan 2022 Active
Public Notice
Other Violation 0
Oct 2021 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Sep 2013 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Aug 2012 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Aug 2012 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Aug 2012 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Aug 2012 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Aug 2012 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Aug 2012 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Aug 2012 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Public Notice
Other Violation 0
Oct 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2008 Active
Public Notice
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
Showing 20 of 104 violations
Industrial pollution

Top industrial polluters within 10 miles of Crosby

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
AMITE BIOENERGY LLC
Wood Products · DRAX BIOMASS INC
GLOSTER, MS39638
7.5 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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.8 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 19.2 ppb from 1993 (20.0 ppb) to 2024 (0.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Public/Private
Population Served
994
Water Systems
2
Water Source

Where Crosby's water comes from

Groundwater

Crosby'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 994 people through 2 water systems.

Local Hydrology

Water bodies near Crosby

Crosby 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 Crosby

System Name PWSID Population Source
COLES WATER ASSOCIATION #1 MS0030001 694 GW
TOWN OF CROSBY MS0030002 300 GW
Regional Comparison

How Crosby compares

Full Mississippi rankings →

Crosby's score of 80.5/100 is above the average of 54/100 among major Mississippi cities. It outscores 10 of 10 nearby cities.

Crosby (this city)
80.5
Jackson
47.8
Canton
50
Oxford
40.5
Mississippi avg
54
City Profile

About Crosby, MS

Wikipedia →

Crosby is a town in Amite and Wilkinson counties, Mississippi, United States. It is part of the McComb, Mississippi micropolitan statistical area. Its population was 242 at the 2020 census.

Economic Profile
$14,250
Median Income
$101,250
Median Home Value
$439/mo
Median Rent
11.9%
Unemployment
Community
28.1
Median Age
44
People / sq mi
32.9%
College Educated
54.7%
Homeownership
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Frequently asked questions

Is Crosby, MS tap water safe to drink?

Crosby's water quality earned a grade of B+ (80.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #93 out of 320 cities tested in Mississippi.

What contaminants are in Crosby's water?

Lead was measured at 0.8 ppb (90th percentile). 104 violations are on record.

How is Crosby'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 Crosby?

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

Where does Crosby's water come from?

Crosby's water is sourced from Groundwater. The city has 2 water systems serving approximately 994 residents.

What health violations has Crosby's water system had?

Crosby has 9 health-based violations on record. The most recent violation was recorded in January 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 23 violations remain unresolved.

Is Crosby's groundwater at risk of contamination?

Crosby 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 104 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 Crosby's water compare to other cities?

Crosby ranks #93 out of 320 cities in Mississippi (better than 71% of state cities) and #7850 out of 15744 cities nationally (50th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.