Tap Water Quality Report
Tap water quality in JACKSONVILLE, North Carolina
Tap water in JACKSONVILLE, North Carolina receives a grade of C (72/100) 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.
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 concernHaloacetic 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 concernTotal 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 concernHaloacetic acids (HAA5) detected at 31.4 ppb, 314x above the EWG health guideline of 0.1 ppb.
EPA compliance record
Official U.S. EPA records for ONSLOW WTR AND SEWER AUTHORITY (system ID NC0467035) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Public Notice Rule and Revised PN Rule | Other (e.g. public notice) | 10/28/2024 | Resolved |
| Lead and Copper Rule Revisions | Missed reporting | 10/17/2024 | Resolved |
| Revised Total Coliform Rule | Missed reporting | 07/11/2023 | Resolved |
| Lead and Copper Rule Revisions | Required treatment not met | 10/17/2024 | Resolved |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for JACKSONVILLE
Filters matched to the specific contaminants in JACKSONVILLE's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
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.