Is Willow Springs, NC Tap Water Safe to Drink?
Graded D — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
46/100
Willow Springs, NC — Water Quality Report
Willow Springs's drinking water received a grade of D (46 out of 100), indicating poor water quality. The city's 18 water systems serve approximately 3,758 residents using groundwater.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 335 violations on record, including 6 health-based violations. 56 remain unresolved.
What to know about Willow Springs's water
Willow Springs ranks #339 out of 417 cities in North Carolina for water quality, placing it among the lowest-rated in the state.
Willow Springs relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
The system has seen 31 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Willow Springs, NC water safe to drink?
Willow Springs's drinking water has significant quality concerns based on EPA testing data. With a grade of D (46/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 18 water systems serve approximately 3,758 residents using groundwater (wells).
Recent water quality updates for Willow Springs
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Willow Springs's water quality assessment. Grade: D (46/100).
Contaminants: Public Notice.
Contaminants: Public Notice.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-3586). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3534). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Willow Springs's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Willow Springs's water system has 335 total violations on record, including 6 health-based violations. 56 remain unresolved. 31 violations were issued in the last 5 years.
Flood & environmental risk
Wake County has experienced 7 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Bond Lake, Coles Branch Reservoir, Hatchers Grove Reservoir, Page Lake, Sorrells Grove Reservoir.
Where does Willow Springs's water come from?
Willow Springs's drinking water comes from groundwater (wells), supplied by 18 water systems serving approximately 3,758 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Bond Lake (lake), Coles Branch Reservoir (lake), Hatchers Grove Reservoir (lake), Page Lake (lake), Sorrells Grove Reservoir (lake).
What Willow Springs residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Willow Springs's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Willow Springs's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D3 — extreme droughtWake County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Wake County has experienced 7 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Willow Springs's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.55 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 1.555 mg/L (1994)
EPA action level: 1.3 mg/L
See how Willow Springs compares by contaminant
Explore where Willow Springs ranks among all North Carolina cities for specific contaminants.
Water source & infrastructure
Where Willow Springs's water comes from
Willow Springs's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by private ownership and serves approximately 3,758 people through 18 water systems.
Water bodies near Willow Springs
Willow Springs is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Willow Springs
| System Name | PWSID | Population | Source |
|---|---|---|---|
| WEEKEND RETREAT/SOUTHERN OAK | NC0392387 | 615 | GW |
| WINDHAVEN S/D | NC0392335 | 528 | GW |
| KENNEBEC FARMS S/D | NC4092064 | 422 | GW |
| ROWLAND POND S/D | NC4092043 | 363 | GW |
| BLALOCK FOREST S/D | NC4092097 | 287 | GW |
| ELLIOTT LANDING S/D | NC4092065 | 219 | GW |
| LEGACY AT FORTY TWO S/D | NC4092033 | 211 | GW |
| LIPSCOMB LANDING S/D | NC4092208 | 178 | GW |
| FISH HAWK RANCH S/D | NC4092179 | 171 | GW |
| OGBURN FARMS S/D | NC4092017 | 157 | GW |
| PLANTATION MHP | NC0392178 | 120 | GW |
| OAK HOLLOW ESTATES | NC0392385 | 117 | GW |
| HUFFINGTON S/D | NC4092185 | 109 | GW |
| GARDNER FARMS S/D | NC4092197 | 84 | GW |
| LITTLE JOHN ACRES | NC0392091 | 63 | GW |
| HEATHERSTONE S/D | NC4051001 | 48 | GW |
| HICKORY HAVEN S/D | NC0392332 | 41 | GW |
| TIMBERBURG HILLS | NC0392237 | 25 | GW |
How Willow Springs compares
Full North Carolina rankings →Willow Springs's score of 46/100 is on par with the average of 43/100 among major North Carolina cities. It outscores 8 of 10 nearby cities.
Nearby cities
View North Carolina rankings →About Willow Springs, NC
Wikipedia →Cary is a town in Wake, Chatham, and Durham counties in the U.S. state of North Carolina and is part of the Raleigh-Cary, NC Metropolitan Statistical Area. According to the 2020 census, its population was 174,721, making it the seventh-most populous municipality in North Carolina, and the 146th-most populous in the United States. In 2023, the town's population had increased to 180,010.
Learn more about your water
Guides and resources related to Willow Springs's water quality findings.
Explore water quality across Wake
Frequently asked questions
Is Willow Springs, NC tap water safe to drink?
Willow Springs's water quality earned a grade of D (46/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #339 out of 417 cities tested in North Carolina.
What contaminants are in Willow Springs's water?
Lead was measured at 0.0 ppb (90th percentile). 335 violations are on record.
How is Willow Springs's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Willow Springs?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Willow Springs's water come from?
Willow Springs's water is sourced from Groundwater. The city has 18 water systems serving approximately 3,758 residents.
What health violations has Willow Springs's water system had?
Willow Springs has 6 health-based violations on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 56 violations remain unresolved.
Is Willow Springs's groundwater at risk of contamination?
Willow Springs uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 335 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Willow Springs's water compare to other cities?
Willow Springs ranks #339 out of 417 cities in North Carolina (better than 19% of state cities) and #13975 out of 15744 cities nationally (11th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.