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Community Water System · PWS LA1063030

Killian Water System

Bossier City, Louisiana 71111 - drinking water served from groundwater sources to 999 people, tracked in EPA SDWIS and UCMR5.

999
People served
40
EPA violations
16
Health-based
Untested
UCMR5 result

The verdict

EPA records 40 drinking-water violations at Killian Water System, 40% of them health-based - below the Louisiana per-system average.

40
Total EPA violations on record
40%
Health-based (MCL / treatment failure)
999
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Killian Water System

Killian Water System is a local-owned community water system that delivers drinking water to 999 residents in Bossier City, Louisiana (Livingston Parish County) through 333 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 40 total violations for this system , of which 16 (40%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 7 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 14 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%).

Killian Water System's 40 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
999
Total Violations
40
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
333
County
Livingston Parish
School/Daycare
No
MCL Violations
1
Monitoring Violations
7
Treatment Tech Violations
15

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 14 2024
Consumer Confidence Rule Other 11 2024
Lead and Copper Rule MR 5 2022
Public Notice Other 3 2024
Coliform (TCR) MR 2 2007
LEAD AND COPPER RULE REVISIONS TT 1 2024
Coliform (TCR) MCL 1 2007

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 Killian Water System.

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 LA1063030 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 Groundwater Rule TT 14 SDWIS / LA1063030 / 0700
2024 Consumer Confidence Rule Other 11 SDWIS / LA1063030 / 7000
2024 Public Notice Other 3 SDWIS / LA1063030 / 7500
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / LA1063030 / 5200
2022 Lead and Copper Rule MR 5 SDWIS / LA1063030 / 5000
2007 Coliform (TCR) MR 2 SDWIS / LA1063030 / 3100
2007 Coliform (TCR) MCL 1 SDWIS / LA1063030 / 3100

How Killian Water System Compares

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

Metric Killian Water System Louisiana avg Federal benchmark
Total violations 40 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 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 999 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 Killian Water System water safe to drink? ▼
Killian Water System (PWS ID: LA1063030) has 40 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 999 people using Groundwater sources.
How many people does Killian Water System serve? ▼
Killian Water System serves 999 people in Bossier City, Louisiana. It is a Local-owned system using Groundwater water sources with 333 service connections.
What type of violations does Killian Water System have? ▼
Killian Water System has 40 total violations: 16 health-based violations (MCL exceedances or treatment failures), 7 monitoring/reporting violations, and 15 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Killian Water System water? ▼
No PFAS testing data is available for Killian Water System under the EPA's UCMR5 monitoring program.
What water source does Killian Water System use? ▼
Killian Water System 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.