Water Quality Report · Updated October 07, 2026
VEOLIA WATER DELAWARE, INC
VEOLIA WATER DELAWARE, INC delivers tap water graded F (53/100) by TapWaterSafety.org. The utility serves approximately 100,495 residents in NEW CASTLE, Delaware using surface water. The most significant water quality concerns are: PFAS contamination; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 302-252-3101.
Is NEW CASTLE tap water safe to drink?
VEOLIA WATER DELAWARE, INC delivers tap water that earns a grade of F (53/100) from TapWaterSafety.org — a poor rating, with significant contamination concerns and/or recent violations.
The utility serves 100,495 residents in NEW CASTLE and 1 other community, drawing from surface water.
Public testing data identifies 17 contaminants in this water above EWG's health-based guidelines, including: Perfluorooctanoic acid (PFOA), Perfluorononanoic acid (PFNA), Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Perfluorodecanoic acid (PFDA), Bromodichloromethane, Perfluoroundecanoic acid (PFUnA), Trichloroacetic acid, Dichloroacetic acid, Chloroform, Dibromochloromethane, Dibromoacetic acid, Radium, combined (-226 and -228), Nitrate and nitrite, Nitrate, Chromium (hexavalent). 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.
EPA compliance record
Official U.S. EPA records for VEOLIA WATER DELAWARE, INC (system ID DE0000564) for the last 3 years. Checked 2026-10-07.
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for NEW CASTLE residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for VEOLIA WATER DELAWARE, INC.
PFAS contamination
Severe concernPerfluorononanoic acid (PFNA), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 41.1 ppb, 685x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 47.9 ppb, 319x above the EWG health guideline of 0.15 ppb.
Contact VEOLIA WATER DELAWARE, INC
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for NEW CASTLE
Filters matched to the specific contaminants in this water supply.
Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)
$180-$750Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.
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.
Score breakdown
This utility's overall score of 53/100 breaks down across five weighted components. Read the full methodology →
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 |
19.2 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | EPA violation |
| Perfluorononanoic acid (PFNA) PFAS |
8.2 ppt | 0.006 | 10.0 | — | — | — | — | 1367× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
41.1 ppb | 0.06 | — | — | — | — | — | 685× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
47.9 ppb | 0.15 | 80.0 | 100 | — | — | — | 319× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
31.6 ppb | 0.1 | 60.0 | 60 | — | — | — | 316× over |
| Perfluorodecanoic acid (PFDA) PFAS |
1.55 ppt | 0.006 | — | — | — | — | — | 258× over |
| Bromodichloromethane Disinfection byproduct |
12.8 ppb | 0.06 | — | — | — | — | — | 213× over |
| Perfluoroundecanoic acid (PFUnA) PFAS |
0.9 ppt | 0.006 | — | — | — | — | — | 150× over |
| Trichloroacetic acid Disinfection byproduct |
13.6 ppb | 0.1 | — | — | — | — | — | 136× over |
| Dichloroacetic acid Disinfection byproduct |
16.8 ppb | 0.2 | — | — | — | — | — | 84× over |
| Chloroform Disinfection byproduct |
30.6 ppb | 0.4 | — | — | — | — | — | 76× over |
| Dibromochloromethane Disinfection byproduct |
3.99 ppb | 0.1 | — | — | — | — | — | 40× over |
| Dibromoacetic acid Disinfection byproduct |
0.827 ppb | 0.03 | — | — | — | — | — | 28× over |
| Radium, combined (-226 and -228) Radiological |
0.83 pCi/L | 0.05 | 5.0 | — | — | — | — | 17× over |
| Nitrate and nitrite Inorganic |
1.66 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 12× over |
| Nitrate Inorganic |
1.11 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 7.9× over |
| Chromium (hexavalent) Heavy metal |
0.0615 ppb | 0.02 | — | — | — | — | — | 3.1× over |
| Chlorate Disinfection byproduct |
173.6 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
28.3 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
29.5 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
22.9 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
22.8 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluoroheptanoic acid (PFHPA) PFAS |
19.6 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| 2,4-D Pesticide/Herbicide |
0.23 ppb | 20.0 | 70.0 | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.491 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
2.59 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.0304 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.167 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.713 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.
VEOLIA WATER DELAWARE, INC service area
This water system serves 2 communities in New Castle County, Delaware. Click any city for its dedicated tap water quality page.
Find the right filter for NEW CASTLE water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.