Water Quality in Onamia, MN (56359)

EPA violation data for public water systems serving ZIP code 56359.

No Health-Based Violations

None of the 82 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are95 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 96% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

3,521

Population

Water Systems

Violations (5yr)

Health-Based

Location

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Water Systems Serving This Area (82)

Vineland

Groundwater 4,220 people served

0 violations

Lead tested: 7.96 ppb (limit: 15 ppb) ✓

Onamia

Groundwater 789 people served

0 violations

Hinckley

All resolved

Purchased groundwater 400 people served

93 violations (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Resolved

Trichloroethylene Monitoring

Oct 2022 Resolved

CHLOROBENZENE Monitoring

Oct 2022 Resolved

p-Dichlorobenzene Monitoring

Oct 2022 Resolved

Xylenes, Total Monitoring

Oct 2022 Resolved

Ethylbenzene Monitoring

Oct 2022 Resolved

trans-1,2-Dichloroethylene Monitoring

Oct 2022 Resolved

Vinyl chloride Monitoring

Oct 2022 Resolved

Styrene Monitoring

Oct 2022 Resolved

1,2,4-Trichlorobenzene Monitoring

Oct 2022 Resolved

Benzene Monitoring

Oct 2022 Resolved

o-Dichlorobenzene Monitoring

Oct 2022 Resolved

Carbon tetrachloride Monitoring

Oct 2022 Resolved

1,1-Dichloroethylene Monitoring

Oct 2022 Resolved

Tetrachloroethylene Monitoring

Oct 2022 Resolved

DICHLOROMETHANE Monitoring

Oct 2022 Resolved

cis-1,2-Dichloroethylene Monitoring

Oct 2022 Resolved

1,1,1-Trichloroethane Monitoring

Oct 2022 Resolved

1,2-Dichloroethane Monitoring

Oct 2022 Resolved

1,1,2-Trichloroethane Monitoring

Oct 2022 Resolved

1,2-Dichloropropane Monitoring

Oct 2022 Resolved

Toluene Monitoring

Oct 2022 Resolved

DICHLOROMETHANE Monitoring

Apr 2022 Resolved

Ethylbenzene Monitoring

Apr 2022 Resolved

1,1,1-Trichloroethane Monitoring

Apr 2022 Resolved

1,1,2-Trichloroethane Monitoring

Apr 2022 Resolved

o-Dichlorobenzene Monitoring

Apr 2022 Resolved

Carbon tetrachloride Monitoring

Apr 2022 Resolved

trans-1,2-Dichloroethylene Monitoring

Apr 2022 Resolved

Tetrachloroethylene Monitoring

Apr 2022 Resolved

Styrene Monitoring

Apr 2022 Resolved

p-Dichlorobenzene Monitoring

Apr 2022 Resolved

1,1-Dichloroethylene Monitoring

Apr 2022 Resolved

Vinyl chloride Monitoring

Apr 2022 Resolved

1,2,4-Trichlorobenzene Monitoring

Apr 2022 Resolved

Benzene Monitoring

Apr 2022 Resolved

Toluene Monitoring

Apr 2022 Resolved

CHLOROBENZENE Monitoring

Apr 2022 Resolved

1,2-Dichloropropane Monitoring

Apr 2022 Resolved

Trichloroethylene Monitoring

Apr 2022 Resolved

1,2-Dichloroethane Monitoring

Apr 2022 Resolved

Xylenes, Total Monitoring

Apr 2022 Resolved

cis-1,2-Dichloroethylene Monitoring

Apr 2022 Resolved

Dinoseb Monitoring

Jan 2022 Resolved

Carbofuran Monitoring

Jan 2022 Resolved

Toluene Monitoring

Jan 2022 Resolved

Toxaphene Monitoring

Jan 2022 Resolved

Picloram Monitoring

Jan 2022 Resolved

2,4-D Monitoring

Jan 2022 Resolved

LASSO Monitoring

Jan 2022 Resolved

Di(2-ethylhexyl) adipate Monitoring

Jan 2022 Resolved

Vinyl chloride Monitoring

Jan 2022 Resolved

OXAMYL Monitoring

Jan 2022 Resolved

Benzene Monitoring

Jan 2022 Resolved

2,4,5-TP Monitoring

Jan 2022 Resolved

1,2-Dichloropropane Monitoring

Jan 2022 Resolved

HEXACHLOROBENZENE Monitoring

Jan 2022 Resolved

p-Dichlorobenzene Monitoring

Jan 2022 Resolved

1,1,1-Trichloroethane Monitoring

Jan 2022 Resolved

Heptachlor Monitoring

Jan 2022 Resolved

1,1-Dichloroethylene Monitoring

Jan 2022 Resolved

Glyphosate Monitoring

Jan 2022 Resolved

Xylenes, Total Monitoring

Jan 2022 Resolved

Benzo(a)pyrene Monitoring

Jan 2022 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Jan 2022 Resolved

o-Dichlorobenzene Monitoring

Jan 2022 Resolved

trans-1,2-Dichloroethylene Monitoring

Jan 2022 Resolved

Chlordane Monitoring

Jan 2022 Resolved

Tetrachloroethylene Monitoring

Jan 2022 Resolved

DICHLOROMETHANE Monitoring

Jan 2022 Resolved

Atrazine Monitoring

Jan 2022 Resolved

1,1,2-Trichloroethane Monitoring

Jan 2022 Resolved

Heptachlor epoxide Monitoring

Jan 2022 Resolved

Ethylbenzene Monitoring

Jan 2022 Resolved

Trichloroethylene Monitoring

Jan 2022 Resolved

Simazine Monitoring

Jan 2022 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Jan 2022 Resolved

CHLOROBENZENE Monitoring

Jan 2022 Resolved

Di(2-ethylhexyl) phthalate Monitoring

Jan 2022 Resolved

Hexachlorocyclopentadiene Monitoring

Jan 2022 Resolved

1,2-Dichloroethane Monitoring

Jan 2022 Resolved

Methoxychlor Monitoring

Jan 2022 Resolved

Dalapon Monitoring

Jan 2022 Resolved

Carbon tetrachloride Monitoring

Jan 2022 Resolved

Endothall Monitoring

Jan 2022 Resolved

Diquat Monitoring

Jan 2022 Resolved

BHC-GAMMA Monitoring

Jan 2022 Resolved

Endrin Monitoring

Jan 2022 Resolved

cis-1,2-Dichloroethylene Monitoring

Jan 2022 Resolved

Styrene Monitoring

Jan 2022 Resolved

Pentachlorophenol Monitoring

Jan 2022 Resolved

2,3,7,8-TCDD Monitoring

Jan 2022 Resolved

ETHYLENE DIBROMIDE Monitoring

Jan 2022 Resolved

1,2,4-Trichlorobenzene Monitoring

Jan 2022 Resolved

Dairy Queen-Onamia

Groundwater 275 people served

0 violations

Izatys Townhouse Association

Groundwater 250 people served

0 violations

M.L.B. Convenience Store - Marathon/Subw

Groundwater 250 people served

0 violations

Izaty'S Townhomes

Groundwater 250 people served

0 violations

Happy'S Drive In

Groundwater 200 people served

0 violations

Mille Lacs Super Stop

Groundwater 150 people served

0 violations

Gateway One Stop

Groundwater 150 people served

0 violations

Izaty'S Resort

Groundwater 150 people served

0 violations

Veterans Club

Groundwater 100 people served

0 violations

Eddy'S Resort, Llc

Groundwater 100 people served

0 violations

Chico'S Place

Groundwater 100 people served

0 violations

Green Acres Mobile Home Park

Groundwater 80 people served

0 violations

Kathio State Park

Groundwater 75 people served

0 violations

North Star Resort

Groundwater 75 people served

0 violations

Timber Hills

Groundwater 75 people served

0 violations

Bayview Bar And Grill

Groundwater 75 people served

0 violations

Rum River Campground

Groundwater 75 people served

0 violations

Apple Orchard

All resolved

Groundwater 74 people served

2 violations (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Minobimaadiziwin Hotel

Groundwater 56 people served

0 violations

Gun Lake Family Campground

Groundwater 50 people served

0 violations

Mille Lacs Wildlife Mgmt. Headquarters

Groundwater 50 people served

0 violations

Camp Onomia

Groundwater 50 people served

0 violations

Rocky Reef Resort

Groundwater 40 people served

0 violations

Vineland North/Mille Lacs Band

Groundwater 36 people served

0 violations

Sasker Manufacturing

Groundwater 30 people served

0 violations

Shore Acres Resort

Groundwater 30 people served

0 violations

Woodline Sawmills

Groundwater 28 people served

0 violations

American Lutheran Camp

Groundwater 25 people served

0 violations

Edgewater Resort Motel

Groundwater 25 people served

0 violations

Cour Du Lac Bed & Breakfast

Groundwater 25 people served

0 violations

Cove Community Church

Groundwater 25 people served

0 violations

Short Acres Resort - Park

Groundwater 25 people served

0 violations

Sodbusters

Groundwater 25 people served

0 violations

Soo Line Trail /Onamia Mn Koa

Groundwater 25 people served

0 violations

Little Flower Mission Ch

Groundwater 25 people served

0 violations

Mille Lacs Hunting Lodge, Inc

Groundwater 25 people served

0 violations

Riverside Conoco

Groundwater 25 people served

0 violations

Marina Tourism Complex

Groundwater 25 people served

0 violations

Cove Store

Groundwater 25 people served

0 violations

Eddie

Groundwater 25 people served

0 violations

Karjojon Resort

Groundwater 25 people served

0 violations

Mille Lacs Sport Center

Groundwater 25 people served

0 violations

Mille Lacs Marina-Cafe

Groundwater 25 people served

0 violations

Twin Pines Tavern

Groundwater 25 people served

0 violations

Indian Trading Post

Groundwater 25 people served

0 violations

Wigwam Bay Resort

Groundwater 25 people served

0 violations

Rum River Oil Company

Groundwater 25 people served

0 violations

Roll-In-Lodge

Groundwater 25 people served

0 violations

Otter Place

Groundwater 25 people served

0 violations

Flying A Cafe And Serv St

Groundwater 25 people served

0 violations

Green Acres Trailer Park

Groundwater 25 people served

0 violations

Maple Hill Resort

Groundwater 25 people served

0 violations

West Shore Resort

Groundwater 25 people served

0 violations

Cozy Cove Resort

Groundwater 25 people served

0 violations

Bitzans Bait

Groundwater 25 people served

0 violations

Rum River Villiage

Groundwater 25 people served

0 violations

Vineland (North) Ws

Groundwater 25 people served

0 violations

Mille Lacs Rbc

Groundwater 25 people served

0 violations

Mille Lacs Rbc

Groundwater 25 people served

0 violations

New Lakeside Inn

Groundwater 25 people served

0 violations

Anderson Brothers Garage

Groundwater 25 people served

0 violations

Mille Lacs Sports Center

Groundwater 25 people served

0 violations

South Shore Resort

Groundwater 25 people served

0 violations

Reservation Group Home

Groundwater 25 people served

0 violations

Vineland Ws

Groundwater 25 people served

0 violations

North Star Resort

Groundwater 25 people served

0 violations

E-Z-Dix Trailer Court

Groundwater 25 people served

0 violations

Draft Inn

Groundwater 25 people served

0 violations

Eagle Ridge Enterprises Incorporated

Groundwater 25 people served

0 violations

Village At Izaty'S Association

Groundwater 25 people served

0 violations

Riverside Mobile Home Park

Groundwater 25 people served

0 violations

Mille Lacs Kathio St Park

Groundwater 25 people served

0 violations

Trout'S Junction

Groundwater 25 people served

0 violations

Goplen Trailer Park

Groundwater 25 people served

0 violations

Timber Trails

Groundwater 25 people served

0 violations

Business Committee Office

Groundwater 25 people served

0 violations

Trophy'S Restaurant

Groundwater 25 people served

0 violations

Mille Lacs Family Clinic - Garrison

Groundwater 25 people served

0 violations

West Shore Resort

Groundwater 0

0 violations

Contaminants Found

TrichloroethyleneMonitoring

3 violations

All resolved

CHLOROBENZENEMonitoring

3 violations

All resolved

p-DichlorobenzeneMonitoring

3 violations

All resolved

Xylenes, TotalMonitoring

3 violations

All resolved

EthylbenzeneMonitoring

3 violations

All resolved

trans-1,2-DichloroethyleneMonitoring

3 violations

All resolved

Vinyl chlorideMonitoring

3 violations

All resolved

StyreneMonitoring

3 violations

All resolved

1,2,4-TrichlorobenzeneMonitoring

3 violations

All resolved

BenzeneMonitoring

3 violations

All resolved

o-DichlorobenzeneMonitoring

3 violations

All resolved

Carbon tetrachlorideMonitoring

3 violations

All resolved

1,1-DichloroethyleneMonitoring

3 violations

All resolved

TetrachloroethyleneMonitoring

3 violations

All resolved

DICHLOROMETHANEMonitoring

3 violations

All resolved

cis-1,2-DichloroethyleneMonitoring

3 violations

All resolved

1,1,1-TrichloroethaneMonitoring

3 violations

All resolved

1,2-DichloroethaneMonitoring

3 violations

All resolved

1,1,2-TrichloroethaneMonitoring

3 violations

All resolved

1,2-DichloropropaneMonitoring

3 violations

All resolved

TolueneMonitoring

3 violations

All resolved

DinosebMonitoring

1 violation

All resolved

CarbofuranMonitoring

1 violation

All resolved

ToxapheneMonitoring

1 violation

All resolved

PicloramMonitoring

1 violation

All resolved

2,4-DMonitoring

1 violation

All resolved

LASSOMonitoring

1 violation

All resolved

Di(2-ethylhexyl) adipateMonitoring

1 violation

All resolved

OXAMYLMonitoring

1 violation

All resolved

2,4,5-TPMonitoring

1 violation

All resolved

HEXACHLOROBENZENEMonitoring

1 violation

All resolved

HeptachlorMonitoring

1 violation

All resolved

GlyphosateMonitoring

1 violation

All resolved

Benzo(a)pyreneMonitoring

1 violation

All resolved

1,2-DIBROMO-3-CHLOROPROPANEMonitoring

1 violation

All resolved

ChlordaneMonitoring

1 violation

All resolved

AtrazineMonitoring

1 violation

All resolved

Heptachlor epoxideMonitoring

1 violation

All resolved

SimazineMonitoring

1 violation

All resolved

Total Polychlorinated Biphenyls (PCB)Monitoring

1 violation

All resolved

Di(2-ethylhexyl) phthalateMonitoring

1 violation

All resolved

HexachlorocyclopentadieneMonitoring

1 violation

All resolved

MethoxychlorMonitoring

1 violation

All resolved

DalaponMonitoring

1 violation

All resolved

EndothallMonitoring

1 violation

All resolved

DiquatMonitoring

1 violation

All resolved

BHC-GAMMAMonitoring

1 violation

All resolved

EndrinMonitoring

1 violation

All resolved

PentachlorophenolMonitoring

1 violation

All resolved

2,3,7,8-TCDDMonitoring

1 violation

All resolved

ETHYLENE DIBROMIDEMonitoring

1 violation

All resolved

Public NoticeMonitoring

1 violation

All resolved

Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation

All resolved

Lead & Copper Levels

Lead (Pb)

Within limit

0 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Onamia (56359) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 95, most of which are monitoring/reporting issues.

Fewer violations 96th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.