These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.
EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.
Hobart Waterworks S A 1
WI4051698 · Surface water · 3,670 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- Action level
15% of the listed benchmark
Monitoring period: Jun 1, 2023 to Sep 30, 2023
Violation history (4)
Imported violation history for Hobart Waterworks S A 1| Rule | Status | Period |
|---|
| Consumer Confidence Rule | Resolved | Oct 1, 2024 to Jul 15, 2025 |
| Consumer Confidence Rule | Resolved | Oct 1, 2023 to Jul 15, 2025 |
| Total Haloacetic Acids (HAA5) | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| TTHM | Resolved | Apr 1, 2023 to Jun 30, 2023 |
Hobart Waterworks S A 3
WI4052077 · Surface water · 658 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- Action level
6% of the listed benchmark
Monitoring period: Jun 1, 2023 to Sep 30, 2023
Violation history (2)
Imported violation history for Hobart Waterworks S A 3| Rule | Status | Period |
|---|
| Consumer Confidence Rule | Resolved | Oct 1, 2024 to Jul 15, 2025 |
| Consumer Confidence Rule | Resolved | Oct 1, 2023 to Jul 15, 2025 |
Hobart Waterworks S A 2
WI4051769 · Surface water · 450 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (2)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- Action level
10% of the listed benchmark
Monitoring period: Jun 1, 2023 to Sep 30, 2023
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- Action level
142% of the listed benchmark
Monitoring period: Jul 1, 1997 to Dec 31, 1997
Violation history (2)
Imported violation history for Hobart Waterworks S A 2| Rule | Status | Period |
|---|
| Consumer Confidence Rule | Resolved | Oct 1, 2024 to Jul 15, 2025 |
| Consumer Confidence Rule | Resolved | Oct 1, 2023 to Jul 15, 2025 |
Hobart Waterworks S A 4
WI4052639 · Surface water · 53 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- Action level
2% of the listed benchmark
Monitoring period: Jul 1, 2023 to Dec 31, 2023
Violation history (2)
Imported violation history for Hobart Waterworks S A 4| Rule | Status | Period |
|---|
| Chlorine | Archived | Apr 1, 2025 to Jun 30, 2025 |
| Consumer Confidence Rule | Resolved | Oct 1, 2024 to Jul 15, 2025 |