Tap Water Quality Report

Tap water quality in JACKSONVILLE, North Carolina

Served by ONSLOW WTR AND SEWER AUTHORITY. 156,755 residents.

Average score 66/100
Utilities 1
Population 156,755
D
66/100
Below Average
ⓘ How did we get this rating?
Quick answer

Tap water in JACKSONVILLE, North Carolina receives a grade of D (66/100) from TapWaterSafety.org. It's served by ONSLOW WTR AND SEWER AUTHORITY. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

What's in JACKSONVILLE's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving JACKSONVILLE.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 29.6 ppb, 493x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 51.7 ppb, 345x above the EWG health guideline of 0.15 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 31.4 ppb, 314x above the EWG health guideline of 0.1 ppb.

Recommended filters for JACKSONVILLE

Filters matched to the specific contaminants in JACKSONVILLE's water supply.

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All contaminants detected in JACKSONVILLE's tap water

Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. 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
Haloacetic acids (HAA9)
Disinfection byproduct
29.6 ppb 0.06 493× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
51.7 ppb 0.15 80.0 100 345× over
Haloacetic acids (HAA5)
Disinfection byproduct
31.4 ppb 0.1 60.0 60 314× over
Bromodichloromethane
Disinfection byproduct
11.2 ppb 0.06 187× over
Trichloroacetic acid
Disinfection byproduct
11.9 ppb 0.1 119× over
Chloroform
Disinfection byproduct
37.9 ppb 0.4 95× over
Dichloroacetic acid
Disinfection byproduct
18.6 ppb 0.2 93× over
Dibromochloromethane
Disinfection byproduct
2.51 ppb 0.1 25× over
Dibromoacetic acid
Disinfection byproduct
0.3 ppb 0.03 10× over
Chromium (hexavalent)
Heavy metal
0.016 ppb 0.02 Below guideline
Chlorate
Disinfection byproduct
161.7 ppb 210.0 Below guideline
Bromochloromethane
Other
0.0252 ppb 0.06 Below guideline
Bromoform
Disinfection byproduct
0.105 ppb 0.5 Below guideline
Manganese
Heavy metal
5.22 ppb 100.0 50 80 Below guideline
Monochloroacetic acid
Disinfection byproduct
0.655 ppb 53.0 Below guideline
Molybdenum
Other
0.117 ppb 40.0 Below guideline
Vanadium
Other
0.02 ppb 21.0 Below guideline
Perfluoroheptanoic acid (PFHPA)
PFAS
0.178 ppt 1000.0 Below guideline
Strontium
Radiological
0.0616 ppb 1500.0 Below guideline
Dalapon
Pesticide/Herbicide
0.548 ppb 200.0 Below guideline
Fluoride
Inorganic
1.11 ppm 4.0 1.5 1.5 Below guideline
Lithium
Other
10.8 ppb 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, California OEHHA PHGs, EWG Tap Water Database.

Treatment plant contact info

For service issues, water quality concerns, or to request a Consumer Confidence Report from ONSLOW WTR AND SEWER AUTHORITY.

Treatment Plant

FacilityTREATMENT_PLT_WELL #8

ZIP codes served

JACKSONVILLE's public water systems serve the following ZIP codes: