Water Quality Report · Updated May 12, 2026

ARTESIAN WATER COMPANY

Serving 231,114 residents in BEAR, Delaware and 1 other communities.

National rank 20th percentile
Delaware rank 50th percentile
Data confidence Medium
D
55/100
Below Average
ⓘ How did we get this rating?
Quick answer

ARTESIAN WATER COMPANY delivers tap water graded D (55/100) by TapWaterSafety.org. The utility serves approximately 231,114 residents in BEAR, Delaware using surface water (purchased). The most significant water quality concerns are: PFAS contamination; Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 302-453-2389.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
231,114
People served
2
Cities served
41
Contaminants detected
17
Above health guidelines
0
EPA violations (5 yr)

Is BEAR tap water safe to drink?

ARTESIAN WATER COMPANY delivers tap water that earns a grade of D (55/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including pfas contamination.

The utility serves 231,114 residents in BEAR and 1 other community, drawing from surface water (purchased).

Public testing data identifies 17 contaminants in this water above EWG's health-based guidelines, including: Perfluorohexane sulfonate (PFHXS), Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Radium, combined (-226 and -228), Trichloroacetic acid, Chloroform, Dichloroacetic acid, Chromium (hexavalent), Nitrate, Nitrate and nitrite, Dibromochloromethane, Perfluorooctanoic acid (PFOA), Dibromoacetic acid, 1,4-Dioxane, Bromoform. 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 ARTESIAN WATER COMPANY.

PFAS contamination

Severe concern

Perfluorooctanoic acid (PFOA), 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 0.424 ppt, 424x above the EWG health guideline of 0.001 ppt.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 24.9 ppb, 415x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 32.7 ppb, 218x above the EWG health guideline of 0.15 ppb.

Contact ARTESIAN WATER COMPANY

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

Recommended water filters for BEAR

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 55/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
10 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
8 / 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
Perfluorohexane sulfonate (PFHXS)
PFAS
0.424 ppt 0.001 10.0 424× over
Haloacetic acids (HAA9)
Disinfection byproduct
24.9 ppb 0.06 415× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
32.7 ppb 0.15 80.0 100 218× over
Haloacetic acids (HAA5)
Disinfection byproduct
14.1 ppb 0.1 60.0 60 141× over
Bromodichloromethane
Disinfection byproduct
6.25 ppb 0.06 104× over
Radium, combined (-226 and -228)
Radiological
3.2 pCi/L 0.05 5.0 64× over
Trichloroacetic acid
Disinfection byproduct
6.43 ppb 0.1 64× over
Chloroform
Disinfection byproduct
24.0 ppb 0.4 60× over
Dichloroacetic acid
Disinfection byproduct
7.37 ppb 0.2 37× over
Chromium (hexavalent)
Heavy metal
0.524 ppb 0.02 26× over
Nitrate
Inorganic
3.51 ppm 0.14 10.0 11.3 11.3 10 25× over
Nitrate and nitrite
Inorganic
2.89 ppm 0.14 10.0 11.3 11.3 10 21× over
Dibromochloromethane
Disinfection byproduct
1.99 ppb 0.1 20× over
Perfluorooctanoic acid (PFOA)
PFAS
1.27 ppt 0.09 4.0 100 100 0.007 14× over
Dibromoacetic acid
Disinfection byproduct
0.34 ppb 0.03 11× over
1,4-Dioxane
Semi-volatile organic compound
0.636 ppb 0.35 50 1 1.8× over
Bromoform
Disinfection byproduct
0.652 ppb 0.5 1.3× over
Perfluorooctane sulfonate (PFOS)
PFAS
0.171 ppt 0.3 4.0 100 100 1 Below guideline
Tetrachloroethylene (perchloroethylene)
Volatile organic compound
0.0081 ppb 0.06 5.0 Below guideline
Barium
Heavy metal
89.6 ppb 700.0 2000.0 1300 2000 Below guideline
Chlorate
Disinfection byproduct
22.6 ppb 210.0 Below guideline
Manganese
Heavy metal
7.95 ppb 100.0 50 80 Below guideline
Selenium
Heavy metal
0.8 ppb 30.0 50.0 20 40 30 Below guideline
MTBE
Volatile organic compound
0.237 ppb 13.0 Below guideline
Perfluorobutanoic Acid (PFBA)
PFAS
12.6 ppt 1000.0 Below guideline
Perfluoropentanoic Acid (PFPeA)
PFAS
6.61 ppt 1000.0 Below guideline
Vanadium
Other
0.106 ppb 21.0 Below guideline
Cobalt
Other
0.352 ppb 70.0 Below guideline
Aluminum
Heavy metal
1.69 ppb 600.0 200 600 Below guideline
Perfluorohexanoic Acid (PFHxA)
PFAS
2.65 ppt 1000.0 Below guideline
1,1-Dichloroethane
Volatile organic compound
0.00222 ppb 3.0 Below guideline
Perfluoroheptanoic acid (PFHPA)
PFAS
0.586 ppt 1000.0 Below guideline
Perfluorobutane sulfonate (PFBS)
PFAS
0.39 ppt 2000.0 Below guideline
Strontium
Radiological
0.132 ppb 1500.0 Below guideline
4-Androstene-3,17-dione
Other
0.008 ppt Below guideline
bis(2-chloroethyl) ether
Other
0.0185 ppb Below guideline
Chlorodifluoromethane
Other
0.00861 ppb Below guideline
Chromium (total)
Heavy metal
0.65 ppb 100.0 Below guideline
cis-1,2-Dichloroethylene
Volatile organic compound
0.0175 ppb 70.0 Below guideline
Cyanide
Inorganic
1.75 ppb 200.0 50 70 150 Below guideline
Fluoride
Inorganic
0.72 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.

ARTESIAN WATER COMPANY service area

This water system serves 2 communities in New Castle County, Delaware. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
DE0000552
Owner type
Private
Source water
Surface water (purchased)
Service connections
85,347
Service area
BEAR, New Castle County, Delaware