Brooklyn Water Department
EPA ID: IA7909047 · 1,505 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Brooklyn Water Department (IA7909047): no drinking-water violations recorded since 2021. With no violations in its EPA file, Brooklyn Water Department serves 1,505 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Brooklyn Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Brooklyn Water Department have a median household income of $75,859 and about 4,357 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 83% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Brooklyn Water Department's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Iowa
System Overview
Brooklyn Water Department (EPA ID: IA7909047) is a community water system in Iowa that serves approximately 1,505 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2024-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
3 of 3 ZIP records with known zones are in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by IA or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Brooklyn Water Department (IA7909047) on EPA.gov.
Frequently Asked Questions
Is Brooklyn Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Brooklyn Water Department in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Brooklyn Water Department serve?
Brooklyn Water Department serves approximately 1,505 people across 3 ZIP codes in Iowa.
Where does Brooklyn Water Department get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Brooklyn Water Department Water Quality Report, IA. https://zipcheckup.com/water-system/ia7909047/
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title = {{Brooklyn Water Department Water Quality Report, IA}},
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url = {https://zipcheckup.com/water-system/ia7909047/}
}