PlainWater

Community Water System · PWS DE0000564

Veolia Water Delaware, Inc

Wilmington, Delaware 19804 - drinking water served from surface water sources to 100,495 people, tracked in EPA SDWIS and UCMR5.

100,495
People served
46
EPA violations
11
Health-based
9 PFAS
UCMR5 result

The verdict

EPA records 46 drinking-water violations at Veolia Water Delaware, Inc, 24% of them health-based - above the Delaware per-system average, and UCMR5 testing detected 9 PFAS compounds.

46
Total EPA violations on record
24%
Health-based (MCL / treatment failure)
100,495
People served by this system
9
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Veolia Water Delaware, Inc

Veolia Water Delaware, Inc is a private-owned community water system that delivers drinking water to 100,495 residents in Wilmington, Delaware (New Castle County) through 40,442 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 46 total violations for this system , of which 11 (24%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Fluoride, recorded in 5 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 9 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 40.6 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Delaware, EPA tracks 460 public water systems serving 1,083,630 people, with 9,105 cumulative violations and 4,582 health-based violations on record. About 75% of systems in the state carry at least one violation, and state-wide the average per system is 19.8 violations. Statewide, 25 of 35 UCMR5-tested systems have reported PFAS detections (71.4%).

Veolia Water Delaware, Inc's 46 violations sit above the Delaware average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

9 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
100,495
Total Violations
46
Health-Based Violations
11
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
40,442
County
New Castle
School/Daycare
No
MCL Violations
8
Monitoring Violations
8
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MCL 5 2012
Coliform (TCR) MR 4 2014
Coliform (TCR) MCL 3 2005
Surface Water Treatment Rule TT 3 1997
E. COLI MR 2 2015
Long Term 2 Enhanced Surface Water Treatment Rule MR 2 2015
Consumer Confidence Rule Other 2 2002

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 59 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 8/15/2023 <8.00 ppt 8.00 ppt Not Detected
NMeFOSAA 8/15/2023 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 8/15/2023 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 8/15/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/15/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/15/2023 <8.00 ppt 8.00 ppt Not Detected
6:2 FTS 5/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 5/10/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 5/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/10/2023 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 5/10/2023 27.00 ppt 5.00 ppt Detected
HFPO-DA 5/10/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/10/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 5/10/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 5/10/2023 23.80 ppt 3.00 ppt Detected
PFDoA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 5/10/2023 23.20 ppt 3.00 ppt Detected
PFOA 5/10/2023 19.40 ppt 4.00 ppt Detected
PFMBA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/10/2023 7.50 ppt 4.00 ppt Detected
PFHxS 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/10/2023 20.00 ppt 3.00 ppt Detected
PFBS 5/10/2023 3.40 ppt 3.00 ppt Detected
PFHpS 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 5/10/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 5/10/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 5/10/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 5/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 5/10/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 5/10/2023 <8.00 ppt 8.00 ppt Not Detected
PFDA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 5/10/2023 <7.00 ppt 7.00 ppt Not Detected
9Cl-PF3ONS 5/10/2023 <2.00 ppt 2.00 ppt Not Detected
PFOS 5/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 5/10/2023 7.60 ppt 4.00 ppt Detected
PFHxS 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/10/2023 20.00 ppt 3.00 ppt Detected
PFBS 5/10/2023 3.40 ppt 3.00 ppt Detected
PFHpS 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/10/2023 <2.00 ppt 2.00 ppt Not Detected
PFDoA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 5/10/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 5/10/2023 <6.00 ppt 6.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Veolia Water Delaware, Inc.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID DE0000564 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Delaware Drinking Water Authority

Delaware's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find DE regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2015 E. COLI MR 2 SDWIS / DE0000564 / 3014
2015 Long Term 2 Enhanced Surface Water Treatment Rule MR 2 SDWIS / DE0000564 / 0800
2014 Coliform (TCR) MR 4 SDWIS / DE0000564 / 3100
2012 Fluoride MCL 5 SDWIS / DE0000564 / 1025
2005 Coliform (TCR) MCL 3 SDWIS / DE0000564 / 3100
2002 Consumer Confidence Rule Other 2 SDWIS / DE0000564 / 7000
1997 Surface Water Treatment Rule TT 3 SDWIS / DE0000564 / 0200

How Veolia Water Delaware, Inc Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Veolia Water Delaware, Inc Delaware avg Federal benchmark
Total violations 46 19.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 10 Indicates a contaminant exceeded a federal MCL
PFAS detection 9 compounds 71.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 100,495 2,356 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 460 regulated public water systems in Delaware.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Veolia Water Delaware, Inc water safe to drink?
Veolia Water Delaware, Inc (PWS ID: DE0000564) has 46 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 9 PFAS compounds found. This system serves 100,495 people using Surface Water sources.
How many people does Veolia Water Delaware, Inc serve?
Veolia Water Delaware, Inc serves 100,495 people in Wilmington, Delaware. It is a Private-owned system using Surface Water water sources with 40,442 service connections.
What type of violations does Veolia Water Delaware, Inc have?
Veolia Water Delaware, Inc has 46 total violations: 11 health-based violations (MCL exceedances or treatment failures), 8 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Veolia Water Delaware, Inc water?
Yes. UCMR5 testing detected 9 PFAS compounds in Veolia Water Delaware, Inc's water supply: PFBA, PFHxA, PFPeA, PFOA, PFNA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Veolia Water Delaware, Inc use?
Veolia Water Delaware, Inc uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.