WaterVerge

Is Pioneer, LA Tap Water Safe to Drink?

Graded B+, with 4 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: LA1123007
Overall Score
82.3 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#91 of 309 in Louisiana Top 45% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.3/100
waterverge.com
B+ 82.3/100

Pioneer, LA — Water Quality Report

Pioneer's drinking water received a grade of B+ (82.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,190 residents using groundwater.

Lead levels were measured at 1.0 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 8 violations on record, including 3 health-based violations. 4 remain unresolved.

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

What to know about Pioneer's water

Pioneer ranks #91 out of 309 cities in Louisiana for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
82.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.3/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 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 Pioneer, LA water safe to drink?

Concerns Identified

Pioneer's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,190 residents using groundwater (wells).

4
Active Violations
1.0 ppb
Lead (90th %ile)

Recent water quality updates for Pioneer

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Pioneer's water quality assessment. Grade: B+ (82.3/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Pioneer's water system has 8 total violations on record, including 3 health-based violations. 4 remain unresolved. 3 violations were issued in the last 5 years.

MROtherTTMCL
Most recent violations:
Oct 2024 Lead and Copper Rule Open
Feb 2024 Public Notice Open
Dec 2023 Groundwater Rule Open
Feb 2013 Coliform (TCR) Resolved
Feb 2013 Coliform (TCR) Resolved

Where does Pioneer's water come from?

Pioneer's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,190 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 Colewa Bayou At Prince Rd Nr Pioneer (river), Bayou Macon At Hwy 134 East Of Epps (river).

What Pioneer residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Pioneer'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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

8
Total violations
3
Health-based
4
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

8 Total
4 Active
3 Health-based
4 Resolved
Violations by category
Total Coliform Rule
3
Lead and Copper Rule
1
Public Notice Rule and Revised PN Rule
1
Ground Water Rule
1
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2024 Active
Public Notice
Other Violation 0
Dec 2023 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Feb 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 2013
Feb 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2013
Jan 2013 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2013
Jan 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 2013
Industrial pollution

Top industrial polluters within 10 miles of Pioneer

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
MUELLER SUPPLY CO INC.
Fabricated Metals · CORNERSTONE BUILDING BRANDS
OAK GROVE, LA71263
8.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

West Carroll 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.

6
Weeks at D2+ (current streak)
9.8%
Months in D2+ (last 30y)
6
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) 1.0 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 2.0 ppb from 2004 (3.0 ppb) to 2024 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
2,190
Water Systems
1
Water Source

Where Pioneer's water comes from

Groundwater

Pioneer'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 private ownership and serves approximately 2,190 people through 1 water system.

Local Hydrology

Water bodies near Pioneer

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

Big Colewa Bayou At Prince Rd Nr Pioneer
river
Bayou Macon At Hwy 134 East Of Epps
river
Infrastructure

Water systems serving Pioneer

System Name PWSID Population Source
PIONEER DARNELL WATER SYSTEM LA1123007 2,190 GW
Regional Comparison

How Pioneer compares

Full Louisiana rankings →

Pioneer's score of 82.3/100 is above the average of 53/100 among major Louisiana cities. It outscores 8 of 10 nearby cities.

Pioneer (this city)
82.3
Jefferson
85.8
Lafayette
35.1
Shreveport
36.5
Louisiana avg
53
City Profile

About Pioneer, LA

Wikipedia →

Pioneer is a village in West Carroll Parish, Louisiana, United States. As of the 2020 census, Pioneer had a population of 149.

Economic Profile
$75,539
Median Income
$80,485
Median Home Value
$770/mo
Median Rent
0.8%
Unemployment
Community
28.4
Median Age
174
People / sq mi
8%
College Educated
38.6%
Homeownership
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Frequently asked questions

Is Pioneer, LA tap water safe to drink?

Pioneer's water quality earned a grade of B+ (82.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #91 out of 309 cities tested in Louisiana.

What contaminants are in Pioneer's water?

Lead was measured at 1.0 ppb (90th percentile). 8 violations are on record.

How is Pioneer'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 Pioneer?

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

Where does Pioneer's water come from?

Pioneer's water is sourced from Groundwater. The city has 1 water system serving approximately 2,190 residents.

What health violations has Pioneer's water system had?

Pioneer has 3 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Pioneer's groundwater at risk of contamination?

Pioneer 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 8 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 Pioneer's water compare to other cities?

Pioneer ranks #91 out of 309 cities in Louisiana (better than 71% of state cities) and #7051 out of 15744 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Pioneer's small water system affect quality?

Pioneer's system serves approximately 2,190 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 8 violations on record.