Public water system · DE00A0347
ActiveNorth West Pump District
At a glance
North West Pump District (PWSID DE00A0347) is an active community water system in New Castle County, Delaware. It reports serving 4,149 people through 1,366 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2003.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,149
Service connections
1,366
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does North West Pump District compare with other water systems in New Castle County?
By EPA's size categories, North West Pump District is a medium system (3,301 to 10,000 people). New Castle County has 76 active public water systems. Its population served is about 42% below the county average of 7,119 people per system, and accounts for 0.8% of the 541,043 people reported by systems filed under the county. Across Delaware, the 494 active systems average 2,238 people each. Nationally, the average active community water system reports serving 6,703 people, so North West Pump District is about 38% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Delaware has 219 active community water systems, 44% of the state's 494 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 459 Delaware systems (93%) list groundwater as their primary source.
Who owns and regulates North West Pump District?
EPA lists North West Pump District as privately owned. The DE state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 54 of the 76 active systems in New Castle County (71%) are also privately owned.
Does North West Pump District have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2003. The violations listed here began between July 2001 and June 2003. By type: 1 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR), Consumer Confidence Rule and Lead and Copper Rule. EPA lists 3 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2003-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2001-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
North West Pump District: frequently asked questions
Who runs North West Pump District?
North West Pump District (PWSID DE00A0347) is a community water system privately owned. It is regulated by the DE state drinking water program.
How many people does North West Pump District serve?
North West Pump District reports serving 4,149 people through 1,366 service connections in New Castle County, Delaware.
Where does North West Pump District get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does North West Pump District have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2003. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is North West Pump District's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2003. For current results, consult the system's annual water quality report, EPA ECHO, or the DE state drinking water program.
Where can I find North West Pump District's water quality report?
As a community water system, North West Pump District must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in New Castle County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Artesian Water Company | New Castle | 231,114 | Community | Purchased surface water |
| Wilmington Water Department | New Castle | 107,976 | Community | Surface water |
| Veolia Water Delaware, Inc. | New Castle | 100,495 | Community | Surface water |
| Newark Water Department | New Castle | 40,000 | Community | Surface water |
| Middletown Water Department | New Castle | 17,700 | Community | Purchased surface water |
| Municipal Services Commission | New Castle | 5,549 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “North West Pump District, PWSID DE00A0347, Delaware”, https://aquacensus.com/water-systems/delaware/north-west-pump-district-de00a0347 (data as of October 1, 2026).