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Community Water System · PWS 084690534

Lake Andes Tribal Housing Water System

Operator location Wagner, EPA Region 8 — Tribal Water Systems - 0% of 38 violations are health-based (lower-third health share (≤ 1%)); surface water source; 264 served per SDWIS.

264
People served (this PWS)
38
EPA violations (this PWS)
0
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Lake Andes Tribal Housing Water System standing, mid SDWIS violation third

0% of 38 recorded violations are health-based - lower-third health share (≤ 1%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 0% is lower-third health share (≤ 1%).

The verdict

Lake Andes Tribal Housing Water System lands in the middle third by violation volume (38), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (264; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is only 0% - almost all of this trail is monitoring or reporting. No UCMR5 PFAS test appears for this system in this extract.

38
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
264
People served by this PWS (SDWIS)
N/A
PFAS compounds detected (UCMR5)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

System Details

System Type
Community
Owner Type
Native American
Connections
66
School/Daycare
No
MCL Violations
0
Monitoring Violations
34
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2013
TTHM MR 5 2024
Total Haloacetic Acids (HAA5) MR 5 2024
Revised Total Coliform Rule MON 5 2025
Surface Water Treatment Rule MR 5 2025
Consumer Confidence Rule Other 3 2009
Lead and Copper Rule MR 2 2012
Revised Total Coliform Rule RPT 1 2023

Violation Count vs. the National Corpus

Lake Andes Tribal Housing Water System has 38 recorded EPA violations, 49% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 50% carry more. 0% of this system's own violations are health-based (0 of 38), and it ranks unranked by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

38 Lower than most fewer violations than 50% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

Health-based violations on Lake Andes Tribal Housing Water System

0 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for 084690534.

Sources: EPA SDWIS

Nationwide peers

38 violations · 264 served: nearest cross-state SDWIS matches.

What to do with Lake Andes Tribal Housing Water System

Use this system's EPA-reported record as a starting filter, not a final verdict.

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

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