Community Water System · PWS WI8550131
Ladysmith Waterworks
Operator location Ladysmith, Wisconsin - 64% of 112 violations are health-based (upper-third health share (> 23%)); groundwater source; 3,184 served per SDWIS.
- 3,184
- People served (this PWS)
- 112
- EPA violations (this PWS)
- 72
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Ladysmith Waterworks standing, high SDWIS violation third
64% of 112 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 64% is upper-third health share (> 23%). Population rank #10,207 of 29,740 among systems serving 500+.
The verdict
Ladysmith Waterworks sits in the upper third of the sitemap cohort by violation count (112), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 3,184 (mid served population (≤ 3,309)). Health-based share is 64% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #10,207 of 29,740
- Population · /systems
- #198 of 744
- Population · WI
- 112
- Total EPA violations on record
- 64%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,179
- County
- Rusk
- School/Daycare
- No
- MCL Violations
- 71
- Monitoring Violations
- 30
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 61 | 2014 |
| Lead and Copper Rule | MR | 10 | 2015 |
| Tetrachloroethylene | MCL | 10 | 2009 |
| Mercury | MR | 6 | 1999 |
| 2,3,7,8-TCDD | MR | 6 | 1999 |
| Bromate | MR | 4 | 2022 |
| Coliform (TCR) | MR | 4 | 1994 |
| Public Notice | Other | 2 | 2005 |
| Lead and Copper Rule | TT | 1 | 1993 |
Violation Count vs. the National Corpus
Ladysmith Waterworks has 112 recorded EPA violations, 75% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 24% carry more. 64% of this system's own violations are health-based (72 of 112), and it ranks #10,207 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
112 Higher than most more violations than 75% 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 Ladysmith Waterworks
72 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for WI8550131.
Sources: EPA SDWIS · Wisconsin DNR, Drinking Water and Groundwater
Nationwide peers
112 violations · 3,184 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Ladysmith Waterworks
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Wisconsin compares on the same EPA violation measures. Wisconsin systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.