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WaterSafeCheck

ZIP Code 27540 Water Quality Report

Holly Springs, NC · Wake County County

Safety Score
C

Water Safety Grade

Fair — Some compliance concerns

Health Violations

0

Total Violations

6

Lead Risk

Low

Contaminants

0

⚠

Active Water Quality Issues Detected

EPA records show 0 unresolved violation. Contact Holly Springs, Town of for current status.

About Tap Water in ZIP Code 27540

Tap water in ZIP code 27540 (Holly Springs, NC) receives a C grade (score: 67/100) based on EPA monitoring data. While the water from Holly Springs, Town of is treated and regulated, this area has a moderate violation history that residents should be aware of.

Water System

Holly Springs, Town of

EPA ID: NC0392050

Water Source

Surface Water

Population Served

51,947 residents

County

Wake County County, North Carolina

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Lead Levels in ZIP 27540

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Data Not Available

Lead testing data was not found in EPA records for ZIP code 27540. This may occur with very small systems or systems that report under a parent utility. Contact Holly Springs, Town of directly to request lead testing results or a copy of their Consumer Confidence Report.

Lead exposure risk in 27540 is rated Low. EPA models estimate a 17% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This rating reflects newer infrastructure, lower housing age, and/or low detected lead levels. Standard precautions — flushing taps before use, using filtered water for infants — are still recommended.

Lead Exposure Risk Rating
Low
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

17%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Violation History

Past 5 years — EPA SDWIS data

Holly Springs, Town of has recorded 6 violations, but none are health-based. Administrative or reporting violations don't directly indicate unsafe water, but they do signal gaps in documentation or monitoring procedures.

Total Violations (5 yr)
6
Health-Based Violations
0
Unresolved Violations
0
Boil Water Advisories
0
Compliance Risk
Moderate

Regulatory compliance risk is rated Moderate. Holly Springs, Town of has had occasional lapses in compliance but generally meets Safe Drinking Water Act requirements.

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Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 27540. This means EPA monitoring has not found levels of regulated contaminants exceeding the Maximum Contaminant Levels (MCLs) set under the Safe Drinking Water Act — a positive indicator of water quality compliance.

⚖ Enforcement Actions

10 enforcement actions have been issued against Holly Springs, Town of — a high number that reflects sustained compliance struggles. Enforcement actions escalate from administrative orders to financial penalties when utilities repeatedly fail to meet safe drinking water standards.
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Water Source & Environmental Factors

Surface Water

This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.

Water Source Type
Surface Water
CCR Source Classification
Surface Water (Purchased)
EPA Radon Zone

Moderate potential

Zone 2
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$0
Energy Burden

% of household income spent on energy — indicator of older infrastructure

1.22%

EPA Radon Zone 2 — moderate radon potential. The EPA recommends testing your home regardless of zone designation.

🛡 What Should You Do? — ZIP 27540 Recommendations

  • ⚠ Use a certified NSF/ANSI 53 filter for drinking and cooking water if you have young children
  • ⚠ Never give unfiltered tap water to infants in formula — use certified bottled or filtered water
  • ⚠ Request a copy of the Consumer Confidence Report to see what was detected and when
  • ⚠ Call the EPA Safe Drinking Water Hotline: 1-800-426-4791

Frequently Asked Questions — ZIP 27540 Water Quality

Is tap water safe to drink in ZIP code 27540?+
Tap water in 27540 (Holly Springs, NC) is treated and regulated, but has a grade of C due to past violations. For most healthy adults, treated tap water is generally safe. Families with infants, young children, or immunocompromised individuals may want to use a certified water filter as a precaution.
What is the lead level in 27540 tap water?+
Lead level data from EPA monitoring is not available for 27540. Contact Holly Springs, Town of directly for the most recent lead testing results.
Who provides tap water to 27540?+
Tap water in ZIP code 27540 is provided by Holly Springs, Town of (EPA ID: NC0392050). This system serves approximately 51,947 residents. You can contact them directly for Consumer Confidence Reports, current advisories, and billing information.
What is the water source for 27540?+
ZIP code 27540 is served by surface water. Surface water systems draw from rivers, lakes, or reservoirs and must meet strict EPA treatment requirements including filtration and disinfection.
Does 27540 have any active water quality violations?+
No active violations are on record for ZIP code 27540. EPA data shows this water system is currently in compliance with Safe Drinking Water Act standards.
How do I get a copy of my water quality report for 27540?+
Your water utility — Holly Springs, Town of — is required by law to send you an annual Consumer Confidence Report (CCR) by July 1 each year. You can also request it directly from the utility or find it online by searching "Holly Springs, Town of Consumer Confidence Report." The EPA's ECHO database also has historical compliance data.
What water filter should I use in 27540?+
The right filter depends on what contaminants are present. For lead, look for a filter certified to NSF/ANSI Standard 53. For chlorine byproducts (like THMs), NSF/ANSI 42 filters work well. For a broad range of contaminants including PFAS, look for NSF/ANSI 58 (reverse osmosis) systems. For ZIP code 27540, with a clean compliance record, a standard carbon block filter meeting NSF/ANSI 42 is a good choice for taste and as a precaution.
Is 27540 tap water safe for babies and infants?+
Infants are especially vulnerable to lead, nitrates, and microbial contaminants in drinking water. Current EPA data for 27540 shows no available lead data — we recommend using a certified NSF/ANSI 53 lead filter as a precaution for infant formula. Always consult your pediatrician for guidance specific to your child's health.

Data Sources & Methodology

Water quality data for ZIP code 27540 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Holly Springs, Town of. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →