Mount Holly, NC (28120): 1 Health-Based Violation Recorded for Mapped Water Systems
EPA data combined for 10 water systems mapped to this ZIP (largest mapped system: City of Mount Holly)
Health-based violation records by water system:
- Stanley, Town of (1)
EPA records for the water systems mapped to 28120 in Mount Holly, NC contain 17 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 16 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result of 0.0035 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 23 cumulative NFIP claim records. Check the current FEMA map for a specific address.
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Looking at every monitored dimension for 28120 in Mount Holly, the high-priority label applies to 1 condition - nothing in the record clears the bar for critical status.
Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) CRITICAL
Your Water System
ZIP code 28120 in Mount Holly, North Carolina is mapped to the water system City of Mount Holly (EPA ID: NC0136020). This system provides water to approximately 19,200 people from surface water sources.
There are 10 community water systems serving this area.
Lead & Copper in Your Water
The EPA requires water systems to monitor lead and copper levels under the Lead and Copper Rule.
| Metal | Measured Level | EPA Action Level | Status | Sample Date or Period |
|---|---|---|---|---|
| Copper | Action-level exceedance on record | 1.3 mg/L | Exceeds action level | Not present in ZipCheckup accepted source data |
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| City of Mount Holly, | NC0136020 | 19,200 | Surface water |
| Stanley, Town of | NC0136035 | 5,453 | Surface water |
| Southbourne/rolling Hills S/d | NC0136385 | 127 | Groundwater |
| Hickory Ridge S/d | NC0136303 | 178 | Groundwater |
| City of Belmont, | NC0136015 | 17,477 | Surface water |
Other Water Quality Reports in North Carolina
- 27006 (Advance) - 9 violations recorded for mapped water systems
- 27007 (Ararat)
- 27009 (Belews Creek) - 1 violation recorded for mapped water systems
- 27010 (Bethania)
- 27011 (Boonville) - 25 violations recorded for mapped water systems
- 27012 (Clemmons) - 3 violations recorded for mapped water systems
- 27013 (Cleveland) - 7 violations recorded for mapped water systems
- 27014 (Cooleemee) - 9 violations recorded for mapped water systems
- 27016 (Danbury)
- 27017 (Dobson) - 5 violations recorded for mapped water systems
- 27018 (East Bend) - 3 violations recorded for mapped water systems
- 27019 (Germanton) - 98 violations recorded for mapped water systems
- 27020 (Hamptonville) - 6 violations recorded for mapped water systems
- 27021 (King) - 5 violations recorded for mapped water systems
- 27022 (Lawsonville)
- 27023 (Lewisville) - 1 violation recorded for mapped water systems
- 27024 (Lowgap)
- 27025 (Madison) - 21 violations recorded for mapped water systems
- 27027 (Mayodan) - 5 violations recorded for mapped water systems
- 27028 (Mocksville) - 15 violations recorded for mapped water systems
Nearby Water Quality Reports
- 28164 (Stanley) - 5 mi - 17 violations recorded for mapped water systems
- 28101 (Mc Adenville) - 5 mi - 1 violation recorded for mapped water systems
- 28012 (Belmont) - 5 mi - 22 violations recorded for mapped water systems
- 28098 (Lowell) - 5 mi - 13 violations recorded for mapped water systems
- 28214 (Charlotte) - 5 mi - 2 violations recorded for mapped water systems
- 28032 (Cramerton) - 6 mi - 1 violation recorded for mapped water systems
- 28054 (Gastonia) - 7 mi - 27 violations recorded for mapped water systems
- 28006 (Alexis) - 7 mi - 5 violations recorded for mapped water systems
- 28278 (Charlotte) - 8 mi - 3 violations recorded for mapped water systems
- 28056 (Gastonia) - 8 mi - 66 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Mount Holly (NC0136020) on EPA.gov.
3 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 28120.
Detected compounds: PFPeA, PFHxA.
Highest measured level: 0.0036 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) CRITICAL
Home & Infrastructure (7) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Mount Holly
Based on local data for ZIP 28120, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Mount Holly has 23 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 28120 was built around 1982. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Mount Holly is 1982; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 28120 safe to drink?
EPA SDWIS records 17 violations since 2021 across the water systems mapped to ZIP 28120 (primary system: City of Mount Holly), including 1 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 28120's water come from?
The recorded water source for City of Mount Holly, a system mapped to ZIP code 28120, is Surface water. This system serves approximately 19,200 people.
How can I get my water tested in Mount Holly?
If City of Mount Holly supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 28120 tap water?
The Lead and Copper Rule record selected for 28120 reports a 90th-percentile lead result of 0.0035 mg/L for a water system mapped to this ZIP (record date 2023-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 28120?
28120 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Gaston County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 28120's water?
Yes, PFAS have been detected in samples from water systems mapped to 28120. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 28120?
FEMA records contain 23 flood insurance claims filed in ZIP code 28120; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Mount Holly, NC (28120): 1 Health-Based Violation Recorded for Mapped Water Systems. https://zipcheckup.com/report/28120/
@misc{zipcheckup-report-28120,
author = {{ZipCheckup}},
title = {{Mount Holly, NC (28120): 1 Health-Based Violation Recorded for Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/28120/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 28120
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 28164 | Stanley, NC | 4.6 mi | N/A | 17 |
| 28101 | Mc Adenville, NC | 4.6 mi | N/A | 1 |
| 28012 | Belmont, NC | 4.8 mi | N/A | 22 |
| 28098 | Lowell, NC | 4.9 mi | N/A | 13 |
| 28214 | Charlotte, NC | 4.9 mi | A | 2 |
| 28032 | Cramerton, NC | 5.8 mi | N/A | 1 |
| 28054 | Gastonia, NC | 7.2 mi | N/A | 27 |
| 28006 | Alexis, NC | 7.5 mi | N/A | 5 |
| 28278 | Charlotte, NC | 8.3 mi | A | 3 |
| 28056 | Gastonia, NC | 8.4 mi | N/A | 66 |
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