Mount Ulla, NC Water Safety: 73/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
How does Mount Ulla tap water hold up under EPA scrutiny? Above average for NC — documented violations are uncommon and the safety grade reflects a clean overall record.
How Mount Ulla Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Mount Ulla Water
- Homes built before 1986: 34% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 12.46 — above typical levels.
Who Supplies Your Water in Mount Ulla
2 water utilities share the residential service territory in Mount Ulla, NC — out of 2 total systems in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Mount Ulla, North Carolina (population ~2,769), covering 2 community water systems serving approximately 53,381 people region-wide.
No EPA violations recorded across any ZIP codes in Mount Ulla — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Mount Ulla: B (73/100)
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
Mount Ulla water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Mount Ulla
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 28125 | B | Mooresville Town of | 52,509 |
All ZIP Codes in Mount Ulla
- 28125 [B]
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.
Health Outcomes in Mount Ulla
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
Housing & Infrastructure in Mount Ulla
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
What does a median build year of 1996 mean for water safety in Mount Ulla? It means the housing stock straddles two key plumbing thresholds: the 1986 federal ban on lead solder in copper plumbing, and the pre-1970 era when lead pipes were commonly installed for service lines. A meaningful share of homes predates one or both of those cutoffs, creating varied risk levels across the city's housing inventory.
Most homes in Mount Ulla were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Mount Ulla Homeowners
Property equity in Mount Ulla runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Mount Ulla are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 30% above the North Carolina average.
Lead Exposure Risk for Children in Mount Ulla
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.
Locally, 34% of Mount Ulla homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Mount Ulla
Flood history in Mount Ulla spans 1 NFIP claim and 100% flood zone coverage — enough to place it in moderate-exposure territory where flood events are genuinely recurring rather than statistical outliers. That distinction matters for water quality assessment because the connection between flooding and water safety is not uniform across communities. In low-exposure areas, flooding rarely generates the conditions needed to compromise treatment or distribution infrastructure. In high-exposure areas, it can do so repeatedly. Moderate-exposure communities sit in between: flood events occur with enough frequency to make periodic infrastructure stress a reasonable concern, particularly for private well owners and residents in lower-elevation FEMA-designated zones.
Mount Ulla has a moderate flood history with 1 FEMA claims averaging $13,201 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$1,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Mount Ulla, NC