WaterVerge

Is Rienzi, MS Tap Water Safe to Drink?

Graded B+, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 2 water systems PWSID: MS0020014
Overall Score
80.5 / 100
Violations
10 active
Last Updated
May 2026
Source
Groundwater
#92 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

Rienzi, MS — Water Quality Report

Rienzi'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 3,245 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 242 violations on record, including 3 health-based violations. 10 remain unresolved.

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

What to know about Rienzi's water

Rienzi ranks #92 out of 320 cities in Mississippi for water quality, placing it mid-range in the state.

Rienzi 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, Rienzi 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
28.5/45
C
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
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Rienzi, MS water safe to drink?

Concerns Identified

Rienzi'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 3,245 residents using groundwater (wells).

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

Recent water quality updates for Rienzi

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

Update
Water quality data updated

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

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence 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 Rienzi's water supply.

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

Well within EPA limits.

Violation history

Rienzi's water system has 242 total violations on record, including 3 health-based violations. 10 remain unresolved. 4 violations were issued in the last 5 years.

MROtherMCL
Most recent violations:
Jul 2024 Chlorine Resolved
Jan 2024 TTHM Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Jul 2023 Consumer Confidence Rule Open
Jul 2012 Radium-228 Resolved

Flood & environmental risk

Alcorn County has experienced 4 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 Big Brown Creek Nr Booneville.

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

Where does Rienzi's water come from?

Rienzi's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,245 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Big Brown Creek Nr Booneville (river).

What Rienzi residents can do

Install a water filter

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

Rienzi'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

242
Total violations
3
Health-based
10
Active / unresolved
Jul 2024
Most recent violation
Compliance Record

Violations & advisories

242 Total
10 Active
3 Health-based
232 Resolved
Violations by category
Radionuclides and Revised Rad Rule
198
Stage 1 Disinfectants and Disinfection Byproducts Rule
13
Inorganic Chemicals
11
Total Coliform Rule
7
Consumer Confidence Rule
6
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Oct 2008 Active
Public Notice
Other Violation 0
Oct 2008 Active
Public Notice
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jul 2024 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2024
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
Jul 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Jul 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Jul 2012 Resolved
Radium-226
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
Jul 2012 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Apr 2012 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2012
Showing 20 of 242 violations
Industrial pollution

Top industrial polluters within 10 miles of Rienzi

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CATERPILLAR REMAN DIV
Machinery · CATERPILLAR INC
BOONEVILLE, MS38829
5.9 mi
HEARTLAND SIDING
Plastics and Rubber · NA
BOONEVILLE, MS38829
6.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Alcorn 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)
6.8%
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

4
Declared disasters
Oct 2021
Most recent
Hurricane
Most common type

Alcorn County has experienced 4 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
Aug 2008
HURRICANE GUSTAV
Hurricane FEMA #3291
Aug 2005
HURRICANE KATRINA
Hurricane FEMA #1604

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 1.4 ppb from 1993 (2.0 ppb) to 2025 (0.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Public/Private
Population Served
3,245
Water Systems
2
Water Source

Where Rienzi's water comes from

Groundwater

Rienzi'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 3,245 people through 2 water systems.

Local Hydrology

Water bodies near Rienzi

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

Big Brown Creek Nr Booneville
river
Infrastructure

Water systems serving Rienzi

System Name PWSID Population Source
PRENTISS-ALCORN WATER ASSN MS0020014 2,318 GW
TOWN OF RIENZI MS0020005 927 GW
Regional Comparison

How Rienzi compares

Full Mississippi rankings →

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

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

About Rienzi, MS

Wikipedia →

Rienzi is a town in Alcorn County, Mississippi, United States. As of the 2020 census, Rienzi had a population of 281.

Economic Profile
$44,250
Median Income
$114,685
Median Home Value
$1,188/mo
Median Rent
2.1%
Unemployment
Community
50.3
Median Age
118
People / sq mi
10.4%
College Educated
74.8%
Homeownership
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Frequently asked questions

Is Rienzi, MS tap water safe to drink?

Rienzi'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 #92 out of 320 cities tested in Mississippi.

What contaminants are in Rienzi's water?

Lead was measured at 0.8 ppb (90th percentile). 242 violations are on record.

How is Rienzi'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 Rienzi?

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

Where does Rienzi's water come from?

Rienzi's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,245 residents.

What health violations has Rienzi's water system had?

Rienzi has 3 health-based violations on record. The most recent violation was recorded in July 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

Is Rienzi's groundwater at risk of contamination?

Rienzi 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 242 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 Rienzi's water compare to other cities?

Rienzi ranks #92 out of 320 cities in Mississippi (better than 71% of state cities) and #7831 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.