Delafield, WI
Contamination score
Higher = more contaminated vs. other cities.
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Reported illness & cancer claims
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Self-reported issues
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Pollution sources & reported claims near your water
Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.
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Public water systems
Cambridge Place Of Delafield
- PWSID:
- WI2686325
- Source:
- Ground water
- Serves:
- 50 people
Apartments Of Stoneridge
- PWSID:
- WI2682761
- Source:
- Ground water
- Serves:
- 75 people
Lake Country Apartments
- PWSID:
- WI2682229
- Source:
- Ground water
- Serves:
- 84 people
Knollcrest
- PWSID:
- WI2681104
- Source:
- Ground water
- Serves:
- 66 people
Delafield Lakes 402
- PWSID:
- WI2686101
- Source:
- Ground water
- Serves:
- 40 people
Delafield Woods 411
- PWSID:
- WI2686336
- Source:
- Ground water
- Serves:
- 40 people
Quail Hollow Condos
- PWSID:
- WI2686359
- Source:
- Ground water
- Serves:
- 30 people
Delafield Lakes 404
- PWSID:
- WI2686114
- Source:
- Ground water
- Serves:
- 40 people
Delafield Woods 828
- PWSID:
- WI2686337
- Source:
- Ground water
- Serves:
- 40 people
Arbors
- PWSID:
- WI2682795
- Source:
- Ground water
- Serves:
- 280 people
Delafield Square
- PWSID:
- WI2685812
- Source:
- Ground water
- Serves:
- 587 people
Wells St Station 435 East
- PWSID:
- WI2686619
- Source:
- Ground water
- Serves:
- 25 people
Wells St Station 425 West
- PWSID:
- WI2686466
- Source:
- Ground water
- Serves:
- 25 people
Nashotah House
- PWSID:
- WI2682512
- Source:
- Ground water
- Serves:
- 350 people
Delafield Waterworks
- PWSID:
- WI2684642
- Source:
- Ground water
- Serves:
- 300 people
Sanctuary Of Delafield
- PWSID:
- WI2685951
- Source:
- Ground water
- Serves:
- 27 people
St Johns Northwestern Academies
- PWSID:
- WI2680761
- Source:
- Ground water
- Serves:
- 340 people
EPA & DEP violations
Lake Country Apartments
PWSID WI26822292 violationsLEAD AND COPPER RULE REVISIONS — RPT violation
medium severityResolvedLEAD AND COPPER RULE REVISIONS RPT violation (Resolved).
EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
City-wide
18 violationsRevised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Apr 1, 2025 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityResolvedLEAD AND COPPER RULE REVISIONS RPT violation (Resolved).
EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedResolvedLEAD AND COPPER RULE REVISIONS TT violation (Resolved).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityResolvedLEAD AND COPPER RULE REVISIONS RPT violation (Resolved).
EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedResolvedLEAD AND COPPER RULE REVISIONS TT violation (Resolved).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedResolvedLEAD AND COPPER RULE REVISIONS TT violation (Resolved).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityResolvedLEAD AND COPPER RULE REVISIONS RPT violation (Resolved).
EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗
Revised Total Coliform Rule — MCL violation
high severityHealth-basedResolvedRevised Total Coliform Rule MCL violation (Resolved).
EPA SDWIS · MCL · Began Jun 1, 2024 · 2 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Feb 1, 2024 · 2 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2023 · 3 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.