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Community Water System · PWS LA1055070

Magnolia-Village Quest Subdivision

Des Peres, Louisiana 63131 - drinking water served from groundwater sources to 186 people, tracked in EPA SDWIS and UCMR5.

186
People served
80
EPA violations
35
Health-based
Untested
UCMR5 result

The verdict

EPA records 80 drinking-water violations at Magnolia-Village Quest Subdivision, 44% of them health-based - below the Louisiana per-system average.

80
Total EPA violations on record
44%
Health-based (MCL / treatment failure)
186
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Magnolia-Village Quest Subdivision

Magnolia-Village Quest Subdivision is a private-owned community water system that delivers drinking water to 186 residents in Des Peres, Louisiana (Lafayette Parish County) through 53 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 80 total violations for this system , of which 35 (44%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 31 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Groundwater Rule, recorded in 18 violations (TT, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Louisiana, EPA tracks 1,234 public water systems serving 5,316,532 people, with 115,060 cumulative violations and 62,164 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 93.2 violations. Statewide, 218 of 265 UCMR5-tested systems have reported PFAS detections (82.3%).

Magnolia-Village Quest Subdivision's 80 violations sit below the Louisiana average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
186
Total Violations
80
Health-Based Violations
35
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
53
County
Lafayette Parish
School/Daycare
No
MCL Violations
17
Monitoring Violations
31
Treatment Tech Violations
18

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 18 2022
Coliform (TCR) MCL 17 2012
Public Notice Other 9 2020
TTHM MR 8 2013
Total Haloacetic Acids (HAA5) MR 8 2013
Lead and Copper Rule MR 6 2024
Chlorine MR 4 2015
Coliform (TCR) MR 3 2013
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2013
Consumer Confidence Rule Other 1 1999
Revised Total Coliform Rule Other 1 2016

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Magnolia-Village Quest Subdivision.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID LA1055070 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Louisiana Drinking Water Authority

Louisiana's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find LA regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Lead and Copper Rule MR 6 SDWIS / LA1055070 / 5000
2022 Groundwater Rule TT 18 SDWIS / LA1055070 / 0700
2020 Public Notice Other 9 SDWIS / LA1055070 / 7500
2016 Revised Total Coliform Rule Other 1 SDWIS / LA1055070 / 8000
2015 Chlorine MR 4 SDWIS / LA1055070 / 0999
2013 TTHM MR 8 SDWIS / LA1055070 / 2950
2013 Total Haloacetic Acids (HAA5) MR 8 SDWIS / LA1055070 / 2456
2013 Coliform (TCR) MR 3 SDWIS / LA1055070 / 3100
2013 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / LA1055070 / 0600
2012 Coliform (TCR) MCL 17 SDWIS / LA1055070 / 3100
1999 Consumer Confidence Rule Other 1 SDWIS / LA1055070 / 7000

How Magnolia-Village Quest Subdivision Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Magnolia-Village Quest Subdivision Louisiana avg Federal benchmark
Total violations 80 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 35 50.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 82.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 186 4,308 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,234 regulated public water systems in Louisiana.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Magnolia-Village Quest Subdivision water safe to drink? ▼
Magnolia-Village Quest Subdivision (PWS ID: LA1055070) has 80 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 186 people using Groundwater sources.
How many people does Magnolia-Village Quest Subdivision serve? ▼
Magnolia-Village Quest Subdivision serves 186 people in Des Peres, Louisiana. It is a Private-owned system using Groundwater water sources with 53 service connections.
What type of violations does Magnolia-Village Quest Subdivision have? ▼
Magnolia-Village Quest Subdivision has 80 total violations: 35 health-based violations (MCL exceedances or treatment failures), 31 monitoring/reporting violations, and 18 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Magnolia-Village Quest Subdivision water? ▼
No PFAS testing data is available for Magnolia-Village Quest Subdivision under the EPA's UCMR5 monitoring program.
What water source does Magnolia-Village Quest Subdivision use? ▼
Magnolia-Village Quest Subdivision uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.