1. States
  2. /Wisconsin
  3. /Waukesha County
  4. /Oconomowoc

Related Data

DemographicsUtilities
MyTownView — local government intelligence platformMyTownView

Civic intelligence for your community. Every meeting. Every permit. Every decision.

Platform

IllinoisMissouriTexasOhioFloridaWisconsinNevadaBlogRequest Your Town

Company

AboutContactPressCoverage Map

Follow Us

FacebookInstagramRedditX / Twitter

Legal

Privacy PolicyTerms & Conditions

© 2026 JCAR Development. All rights reserved.  · Buy the devs a beer

MyTownView
MyTownViewMyTownView
Follow a Town
Browse TownsBlogAboutContactRequest a Town
Buy the devs a beer
Sign InSign Up

Environmental Reporti

Water Systemsi

5community / 126 total

Water Violationsi

5

TRI Facilitiesi

16

Active NPDESi

19/ 25 total

Drinking Wateri

SDWIS

Public water systems registered to serve this area. Community systems (CWS) provide water to residents year-round. Transient systems serve places like gas stations or restaurants. Violations indicate a system failed to meet federal drinking water standards.

Community Systemsi

5

Active Systemsi

27

Recent Violationsi

5
Transient (35)
Non-Transient (10)
Community (5)

Recent Violations (Last 5 Years)

OCONOMOWOC WATERWORKS

5 violationsLatest: 2025-04-01
EPA

Historical Violations (Over 5 Years Ago)

GENESEE LAKE SCHOOL SOUTH

4 violationsLatest: 2012-10-01
EPA

MUSKEGO LAKE AIRE APARTMENTS

1 violationLatest: 1993-07-01
EPA

SUNNYFIELD ACRES

5 violationsLatest: 2014-01-01
EPA

Toxic Release Inventory (TRI)i

TRI

Factories, refineries, and other industrial facilities that use or store hazardous chemicals are required to report their releases annually to the EPA. Being listed here does not mean a violation occurred — it means the facility is transparently tracking its chemical usage.

Reporting Facilitiesi

16

With Chemical Datai

10
PREMOLD CORP5656 FRONTIER RD5 chemicals|TRI
PREMOLD CORP5657 FRONTIER RD5 chemicals|TRI
VOLLRATH CO LLC1301 W SECOND ST5 chemicals|TRI
VORTEQ COIL FINISHERS930 ARMOUR RD5 chemicals|TRI
INTERNATIONAL BIOFLAVORS INC A GIVAUDAN CO1730 EXECUTIVE DR3 chemicals|TRI
GREDE II, LLC1205 WALL ST2 chemicals|TRI
ACE PRECISION977 BLUE RIBBON CIRCLE NORTH2 chemicals|TRI
BRUNO INDEPENDENT LIVING AIDS1780 EXECUTIVE DR1 chemical|TRI
OLD MILWAUKEE MATERIALS YARD 1104340 S 2067 COUNTY HWY C1 chemical|TRI
SILGAN CONTAINERS MANUFACTURING CORP520 W 2ND ST1 chemical|TRI
C L & D GRAPHICS INC1101 W 2ND ST|TRI
LAKE COUNTRY FOODS INC140 S CONCORD RD|TRI
OCONOMOWOC MANUFACTURING CORP425 S LAPHAM ST|TRI
CARNATION CO132 S CONCORD RD|TRI
LA BELLE INDUSTRIES INC510 S WORTHINGTON ST|TRI
LEATHER RICH INC210 S SILVER LAKE ST|TRI

Wastewater & Stormwater Permits (NPDES)i

NPDES

Under the Clean Water Act, any facility that discharges wastewater or stormwater into rivers, lakes, or streams must hold an NPDES permit. "Effective" means the permit is currently active and the facility is authorized to discharge under its permit conditions.

Active Permitsi

19

Expired / Terminatedi

6
GREMAR, LLC9740 VALLEY ROADMinor Discharge|EPA
LCCW REAL ESTATE LLCOCONOMOWOC PKY STH 67 AND OLD SCHOOL HOUSE RDMinor Discharge|EPA
CITY OF OCONOMOWOCPABST FARMS ROAD AND OLYMPIA FIELDS DRIVE AND STHMinor Discharge|EPA
L&NM ENTERPRISES LLCPRAIRIE CREEK RIDGE SUBDIVISION AT THE END OF WHALMinor Discharge|EPA
VERIDIAN HOMES, LLCNORTH OF SILVER LAKE INTERMEDIATE SCHOOLMinor Discharge|EPA
ROGERS MEMORIAL HOSPITAL-OCONOMOWOC34700 VALLEY RDMinor Discharge|EPA
PABST FARMS APARTMENTS, LLCNE OF VALLEY ROAD (CTH-B) AND OLD SCHOOL HOUSE ROAMinor Discharge|EPA
PRAIRIE CREEK RIDGE LLCLAND LOCATED AT THE END OF WHALEN DRIVEMinor Discharge|EPA
OCONOMOWOC RETAIL MANAGEMENT LLC1360 PABST FARMS CIRCLEMinor Discharge|EPA
PROHEALTH CARE OCONOMOWOC MEMORIAL HOSPITAL791 SUMMIT AVEMinor Discharge|EPA
L&NM ENTERPRISES LLCPRAIRIE CREEK RIDGE SUBDIVISION AT THE END OF WHALMinor Discharge|EPA
GUGGENHEIM DEVELOPMENT SERVICES, LLCSUMMIT AVE, SOUTH OF KWIK TRIP (1301 OCONOMOWOC PKMinor Discharge|EPA
ROGERS MEM HOSP - DELAFIELD 8 BED-IZ28934700 VALLEY RDMinor Discharge|EPA
DIAMOND CLUB ENTERTAINMENTNE CORNER OF BLUE RIBBON CIR AND BLUE RIBBON DRMinor Discharge|EPA
CORPORATE CENTER DRIVE HOTEL ASSOCIATES, LLC1245 CORPORATE CENTER DRIVEMinor Discharge|EPA
DARTMOOR INVESTMENTS, LLCVALLEY RD (CTH B) AND VILLAGE LANEMinor Discharge|EPA
OLYMPIA FIELDS MD LLC1350 ROYAL MILE ROADMinor Discharge|EPA
VERIDIAN HOMES, LLCOCONOMOWOC PKWY AND VALLEY RDMinor Discharge|EPA
PRAIRIE CREEK RIDGE, LLCWHALEN DRIVE AND BLUESTEM TRAILMinor Discharge|EPA

Cleanup Sites (Brownfields)i

EPA Brownfields

Former industrial or commercial properties where contamination has been found. "Remedy Complete" means cleanup is finished. "Construction Complete" means cleanup infrastructure is built but monitoring continues. "In Progress" means the site is still being investigated or cleaned up.

JACK SAFRO FORD INC1000 E SUMMIT AVEIn Progress|
SANITARY TRANSFER AND LANDFILL - OCONOMOWOCN80W39901 MCMAHON ROADIn Progress|EPA

EV Charging & Alternative Fuel Stationsi

AFDC

Publicly listed alternative fuel and EV charging stations within the municipality. Data from the U.S. Department of Energy. "Open" stations are currently available for use; "Planned" stations are approved but not yet operational.

Total Stationsi

15

EV Stationsi

12

Level 2 Portsi

26

DC Fast Portsi

7
Blink NetworkChargePoint NetworkEV ConnectNon-NetworkedSYNERGEVTesla Destination
36833 E Wisconsin Ave36833 E Wisconsin Ave,Electric2 DCEV Connect
EWALD MOTORS ABB STATION 136883 WI-16 TrunkElectric1 DCChargePoint Network
Ewald – Chrysler Jeep Ram – Oconomowoc WI36833 East Wisconsin AvenueElectric2 L2Blink Network
Ewald – Chrysler Jeep Ram – Oconomowoc WI - DCFC36833 East Wisconsin AvenueElectric2 DCBlink Network
Ewald – Chrysler Jeep Ram – Oconomowoc WI - Show Room36833 East Wisconsin AvenueElectric1 L2Blink Network
Go Riteway8515 Brown StElectric11 L2Non-Networked
HYUNDAI OF LC SOUTH CPN48W36216 Wisconsin AveElectric1 DCChargePoint Network
HYUNDAI OF LC WEST LOTN48W36216 Wisconsin AveElectric1 DCChargePoint Network
KHC TPS CHARGER1242 Corporate Center DrElectric2 L2ChargePoint Network
Nissan Lake CountryN 48 W 36216 Wisconsin AveElectric5 L2SYNERGEV
Sendik's Food Market - Tesla Destination1450 Olympia Fields DriveElectric1 L2Tesla Destination
The Locklyn At Olympia Fields1350 Kari CourtElectric4 L2Blink Network