WaterVerge

Is Simmesport, LA Tap Water Safe to Drink?

Graded B-, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: LA1009014
Overall Score
73.7 / 100
Violations
8 active
Last Updated
May 2026
Source
Groundwater
#132 of 309 in Louisiana Top 64% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
73.7/100
waterverge.com
B- 73.7/100

Simmesport, LA — Water Quality Report

Simmesport's drinking water received a grade of B- (73.7 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,142 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 14 violations on record, including 7 health-based violations. 8 remain unresolved.

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

What to know about Simmesport's water

Simmesport ranks #132 out of 309 cities in Louisiana for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
73.7 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
28.7/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Simmesport, LA water safe to drink?

Concerns Identified

Simmesport's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (73.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,142 residents using groundwater (wells).

8
Active Violations
0.0 ppb
Lead (90th %ile)

Recent water quality updates for Simmesport

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Simmesport's water quality assessment. Grade: B- (73.7/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Simmesport's water system has 14 total violations on record, including 7 health-based violations. 8 remain unresolved. 5 violations were issued in the last 5 years.

OtherMCLTTMR
Most recent violations:
May 2025 Public Notice Open
Jan 2025 TTHM Resolved
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Sep 2023 Groundwater Rule Open
Feb 2022 Lead and Copper Rule Open

Where does Simmesport's water come from?

Simmesport's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,142 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Atchafalaya River At Simmesport (river).

What Simmesport residents can do

Install a water filter

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

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
Compliance Record

Violation summary

14
Total violations
7
Health-based
8
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

14 Total
8 Active
7 Health-based
6 Resolved
Violations by category
Lead and Copper Rule
3
Total Coliform Rule
3
Ground Water Rule
2
Consumer Confidence Rule
2
Public Notice Rule and Revised PN Rule
1
May 2025 Active
Public Notice
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Sep 2023 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Feb 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jan 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2016 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2025
Apr 2015 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2015
Nov 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2004
Oct 1999 Resolved
Consumer Confidence Rule
Other Violation Resolved Jul 2000
Jun 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1996
May 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1992
Environmental Risk

Drought conditions

D3 — extreme drought

Avoyelles Parish is currently in D3 (extreme 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.

14
Weeks at D2+ (current streak)
16.0%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 5.0 ppb from 2008 (5.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,142
Water Systems
1
Water Source

Where Simmesport's water comes from

Groundwater

Simmesport'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 local government ownership and serves approximately 2,142 people through 1 water system.

Local Hydrology

Water bodies near Simmesport

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

Atchafalaya River At Simmesport
river
Infrastructure

Water systems serving Simmesport

System Name PWSID Population Source
TOWN OF SIMMESPORT WATER SYSTEM LA1009014 2,142 GW
Regional Comparison

How Simmesport compares

Full Louisiana rankings →

Simmesport's score of 73.7/100 is above the average of 53/100 among major Louisiana cities. It outscores 7 of 10 nearby cities.

Simmesport (this city)
73.7
Jefferson
85.8
Lafayette
35.1
Shreveport
36.5
Louisiana avg
53
City Profile

About Simmesport, LA

Wikipedia →

Simmesport is a town in Avoyelles Parish, Louisiana, United States. As of the 2020 census, Simmesport had a population of 1,468. It is the northernmost town on the Atchafalaya River, located near the Old River which connects the Red and Atchafalaya rivers with the Mississippi River.

Economic Profile
$19,592
Median Income
$71,880
Median Home Value
$400/mo
Median Rent
7.3%
Unemployment
Community
47.2
Median Age
231
People / sq mi
4.1%
College Educated
59.6%
Homeownership
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Frequently asked questions

Is Simmesport, LA tap water safe to drink?

Simmesport's water quality earned a grade of B- (73.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #132 out of 309 cities tested in Louisiana.

What contaminants are in Simmesport's water?

Lead was measured at 0.0 ppb (90th percentile). 14 violations are on record.

How is Simmesport'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 Simmesport?

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

Where does Simmesport's water come from?

Simmesport's water is sourced from Groundwater. The city has 1 water system serving approximately 2,142 residents.

What health violations has Simmesport's water system had?

Simmesport has 7 health-based violations on record. The most recent violation was recorded in May 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

Is Simmesport's groundwater at risk of contamination?

Simmesport 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 14 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 Simmesport's water compare to other cities?

Simmesport ranks #132 out of 309 cities in Louisiana (better than 57% of state cities) and #10035 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.

Does Simmesport's small water system affect quality?

Simmesport's system serves approximately 2,142 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 14 violations on record.