Water Quality in Spring Green, WI: 17 Violations — Grade C
Grade C · Score 64/100 · 5 water systems · Updated 2026-05-03
Spring Green's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Available EPA records for Spring Green, WI: 17 water compliance violations tied to local public water systems.
Water Quality by ZIP Code in Spring Green
Water quality varies across Spring Green's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 53588 | C | 64 | 17 | 1 | View report → |
Violation Trend
EPA violations recorded for water systems serving Spring Green.
Water Quality Overview
Spring Green, Wisconsin receives a water quality grade of C with an overall score of 64 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 5 water systems serving Spring Green have accumulated 17 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP codes serving approximately 2,485 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Spring Green's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Spring Green water systems is 0.0037 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 60% of homes built before 1986, Spring Green has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
Spring Green is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving Spring Green
Spring Green is served by 5 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 2,485 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 10 enforcement actions against water systems serving Spring Green. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Spring Green
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Spring Green Water Systems
The following contaminants have been detected or caused violations across Spring Green's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | N/A | 3 | 1 | No |
| Lead | Inorganic | 0.015 mg/L | 3 | 1 | No |
| Radium-228 | Radionuclides | 5 pCi/L | 1 | 1 | No |
| Radium-226 | Radionuclides | 5 pCi/L | 1 | 1 | No |
| Gross Beta | Radionuclides | 50 pCi/L | 1 | 1 | No |
| Chlorine residual | Disinfectant | 4 mg/L | 1 | 1 | Yes |
| Lead and Copper Rule | Treatment Technique | N/A | 1 | 1 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 0.06 mg/L | 1 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Spring Green:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
Violation counts have remained stable over the observed period.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Spring Green. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-25 | State Order Extension |
| 2025-09-09 | State Informal Action |
| 2025-09-09 | State Informal Enforcement |
| 2025-07-23 | State Informal Action |
| 2025-07-23 | State Informal Enforcement |
| 2025-06-30 | State Informal Action |
| 2025-03-31 | State Order Extension |
| 2025-03-28 | State Order Extension |
| 2025-03-27 | State Order Extension |
| 2024-12-18 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-25.
Spring Green vs. Nearby Wisconsin Cities
How Spring Green's water quality compares to similar cities in Wisconsin:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Spring Green | C | 17 | 5 | 2,485 |
| Mineral Point | D | 3 | 1 | 2,487 |
| Belgium | B | 2 | 1 | 2,493 |
| Neillsville | B | 14 | 3 | 2,501 |
Common Questions About Spring Green Water
These are the most common questions residents search for about water quality in Spring Green, Wisconsin:
Is Spring Green water hard or soft? Water hardness varies by source. Spring Green's 5 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Spring Green tap water? Spring Green's water receives a grade of C (64/100). There are 1 health-based violations — consider filtration.
What is the best water filter for Spring Green? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Spring Green vs. Wisconsin Average
Understanding how Spring Green compares to the broader Wisconsin average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Spring Green.
ZIP Codes in Spring Green
Spring Green spans 1 ZIP code. The ZIP with the lowest water quality score is 53588. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.