Water Quality Report · Updated May 12, 2026

HARNETT REGIONAL WATER

Serving 116,892 residents in LILLINGTON, North Carolina .

National rank 9th percentile
North Carolina rank 17th percentile
Data confidence Medium
Quick answer

HARNETT REGIONAL WATER delivers tap water graded F (50/100) by TapWaterSafety.org. The utility serves approximately 116,892 residents in LILLINGTON, North Carolina using surface water. The most significant water quality concerns are: PFAS contamination; Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Perfluorodecanoic acid (PFDA) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline. For questions, the utility can be reached at 910-893-7575.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
116,892
People served
1
City served
35
Contaminants detected
21
Above health guidelines
0
EPA violations (5 yr)

Is LILLINGTON tap water safe to drink?

HARNETT REGIONAL WATER delivers tap water that earns a grade of F (50/100) from TapWaterSafety.org — a poor rating, with significant contamination concerns and/or recent violations.

The utility serves 116,892 residents in LILLINGTON, drawing from surface water.

Public testing data identifies 21 contaminants in this water above EWG's health-based guidelines, including: Perfluorooctanoic acid (PFOA), Perfluorohexane sulfonate (PFHXS), Perfluorodecanoic acid (PFDA), Haloacetic acids (HAA9), Perfluoroundecanoic acid (PFUnA), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Dibromoacetic acid, Bromodichloromethane, Dibromochloromethane, Perfluorononanoic acid (PFNA), Dichloroacetic acid, Trichloroacetic acid, Chloroform, Radium, combined (-226 and -228), Bromoform, 1,4-Dioxane, Perfluorooctane sulfonate (PFOS), Chlorite, Chromium (hexavalent), Chlorate. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for HARNETT REGIONAL WATER.

PFAS contamination

Severe concern

Perfluorononanoic acid (PFNA), Perfluorooctane sulfonate (PFOS) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.

Perfluorohexane sulfonate (PFHXS) significantly above health guideline

Moderate concern

Perfluorohexane sulfonate (PFHXS) detected at 1.0 ppt, 1000x above the EWG health guideline of 0.001 ppt.

Perfluorodecanoic acid (PFDA) significantly above health guideline

Moderate concern

Perfluorodecanoic acid (PFDA) detected at 3.9 ppt, 650x above the EWG health guideline of 0.006 ppt.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 29.8 ppb, 497x above the EWG health guideline of 0.06 ppb.

Contact HARNETT REGIONAL WATER

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for LILLINGTON

Filters matched to the specific contaminants in this water supply.

Reverse Osmosis or NSF P473 certified carbon

$80-$750

Activated carbon and RO are the only technologies proven to remove PFAS at certified levels.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 58, 372
View on retailer →
Waterdrop N1 Countertop RO
$249-$329 NSF 58, 372
View on retailer →
Clearly Filtered Pitcher Filter
$80-$95 NSF 42, 53, 401, P473
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 50/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
10 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
3 / 20
Compliance History
10 / 10
Source Water Vulnerability
7 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Perfluorooctanoic acid (PFOA)
PFAS
10.7 ppt 0.09 4.0 100 100 0.007 EPA violation
Perfluorohexane sulfonate (PFHXS)
PFAS
1.0 ppt 0.001 10.0 1000× over
Perfluorodecanoic acid (PFDA)
PFAS
3.9 ppt 0.006 650× over
Haloacetic acids (HAA9)
Disinfection byproduct
29.8 ppb 0.06 497× over
Perfluoroundecanoic acid (PFUnA)
PFAS
2.1 ppt 0.006 350× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
35.8 ppb 0.15 80.0 100 239× over
Haloacetic acids (HAA5)
Disinfection byproduct
19.3 ppb 0.1 60.0 60 193× over
Dibromoacetic acid
Disinfection byproduct
5.51 ppb 0.03 184× over
Bromodichloromethane
Disinfection byproduct
10.8 ppb 0.06 181× over
Dibromochloromethane
Disinfection byproduct
12.7 ppb 0.1 127× over
Perfluorononanoic acid (PFNA)
PFAS
0.74 ppt 0.006 10.0 123× over
Dichloroacetic acid
Disinfection byproduct
9.6 ppb 0.2 48× over
Trichloroacetic acid
Disinfection byproduct
1.82 ppb 0.1 18× over
Chloroform
Disinfection byproduct
6.34 ppb 0.4 16× over
Radium, combined (-226 and -228)
Radiological
0.73 pCi/L 0.05 5.0 15× over
Bromoform
Disinfection byproduct
5.88 ppb 0.5 12× over
1,4-Dioxane
Semi-volatile organic compound
3.55 ppb 0.35 50 1 10× over
Perfluorooctane sulfonate (PFOS)
PFAS
2.82 ppt 0.3 4.0 100 100 1 9.4× over
Chlorite
Disinfection byproduct
388.3 ppb 50.0 1000.0 7.8× over
Chromium (hexavalent)
Heavy metal
0.0438 ppb 0.02 2.2× over
Chlorate
Disinfection byproduct
385.0 ppb 210.0 1.8× over
Atrazine
Pesticide/Herbicide
0.054 ppb 0.1 3.0 0.1 100 0.15 Below guideline
Di(2-ethylhexyl) phthalate
Semi-volatile organic compound
0.602 ppb 3.0 6.0 Below guideline
Perfluorohexanoic Acid (PFHxA)
PFAS
60.4 ppt 1000.0 Below guideline
Perfluoropentanoic Acid (PFPeA)
PFAS
37.2 ppt 1000.0 Below guideline
Monochloroacetic acid
Disinfection byproduct
1.95 ppb 53.0 Below guideline
Perfluoroheptanoic acid (PFHPA)
PFAS
29.6 ppt 1000.0 Below guideline
Perfluorobutanoic Acid (PFBA)
PFAS
20.4 ppt 1000.0 Below guideline
Monobromoacetic acid
Disinfection byproduct
0.45 ppb 25.0 Below guideline
Manganese
Heavy metal
1.75 ppb 100.0 50 80 Below guideline
Vanadium
Other
0.175 ppb 21.0 Below guideline
Molybdenum
Other
0.125 ppb 40.0 Below guideline
Perfluorobutane sulfonate (PFBS)
PFAS
1.46 ppt 2000.0 Below guideline
Strontium
Radiological
0.0586 ppb 1500.0 Below guideline
Fluoride
Inorganic
0.53 ppm 4.0 1.5 1.5 Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

HARNETT REGIONAL WATER service area

This water system serves 1 community in Harnett County, North Carolina. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
NC0343045
Owner type
Local government
Source water
Surface water
Service connections
46,757
Service area
LILLINGTON, Harnett County, North Carolina