Monticello, MN: 16 Health Violations — 65/100 (2026)
16 ZIP codes · 4 water systems · Updated 2026-06-03
Monticello, MN: mid-range safety grade, uneven compliance across service areas.
How Monticello Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Monticello, MN
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Monticello's 16 ZIP codes.
Key Facts for Monticello Residents
- Your city's water systems recorded 96 violations in the past 5 years.
- Average lead level: 0.004 mg/L.
- Estimated remediation: $1,606 per household.
- CDC health risk index: 11.55.
Monticello's Water Providers
3 independent water providers serve Monticello, MN — 4 systems appear in federal records.
Overview
We track water quality and home safety data for 16 ZIP codes in Monticello, Minnesota, covering 4 community water systems serving approximately 20,125 people.
16 of 16 ZIP codes (100%) have recorded EPA violations. 16 health-based violations documented.
Home Safety Score
Average Home Safety Score for Monticello: C (65/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Monticello water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0040 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 16 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 51 | 16 |
| Lead | Inorganic | 17 | 16 |
| Stage 1 DBP Rule | Treatment Technique | 17 | 16 |
| Lead and Copper Rule | Treatment Technique | 17 | 16 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 55362 | C | 6 | 1 | Monticello |
| 55365 | C | 6 | 1 | Monticello |
| 55561 | C | 6 | 1 | Monticello |
| 55563 | C | 6 | 1 | Monticello |
| 55565 | C | 6 | 1 | Monticello |
| 55580 | C | 6 | 1 | Monticello |
| 55581 | C | 6 | 1 | Monticello |
| 55582 | C | 6 | 1 | Monticello |
| 55584 | C | 6 | 1 | Monticello |
| 55585 | C | 6 | 1 | Monticello |
All ZIP Codes in Monticello
- 55362 [C] — 6 violations ⚠
- 55365 [C] — 6 violations ⚠
- 55561 [C] — 6 violations ⚠
- 55563 [C] — 6 violations ⚠
- 55565 [C] — 6 violations ⚠
- 55580 [C] — 6 violations ⚠
- 55581 [C] — 6 violations ⚠
- 55582 [C] — 6 violations ⚠
- 55584 [C] — 6 violations ⚠
- 55585 [C] — 6 violations ⚠
- 55586 [C] — 6 violations ⚠
- 55587 [C] — 6 violations ⚠
- 55588 [C] — 6 violations ⚠
- 55589 [C] — 6 violations ⚠
- 55590 [C] — 6 violations ⚠
- 55591 [C] — 6 violations ⚠
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
Updated daily.
Monticello Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Monticello's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Monticello
While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Monticello is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.
Remediation costs in Monticello are relatively low compared to home values. The $1,019–$2,263 estimated range is a small fraction of median property value. Home values are 35% above the Minnesota average.
Monticello: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Monticello appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Monticello: Flood History & Water Damage Risk
Monticello's NFIP claim count stays on the lower side of the range, suggesting flood exposure that merits baseline awareness rather than active mitigation planning. Water-quality implications of flooding are minimal when events are infrequent and limited in scale.
Monticello has a relatively low flood history with 6 FEMA claims on record. 6% of ZIP codes are in FEMA flood zones. While risk is limited, severe weather events can still impact water infrastructure.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,606</strong> remediation cost per household.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Monticello
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Consumer Confidence Report Rule can reduce the most common contaminant found in Monticello's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Monticello, MN