Water Quality in Spearfish, SD (57783)

EPA violation data for public water systems serving ZIP code 57783.

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

17,248

Population

60

Water Systems

57

Violations (5yr)

5

Health-Based

Location

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Water Systems Serving This Area (60)

Spearfish

Groundwater 12,193 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

Guadalajara Mexican Restaurant

All resolved
Groundwater 630 people served
1 violation (5yr) · All resolved

Usfs-Bhnf Pactola Visitor Center

Groundwater 535 people served
0 violations

Spearfish Canyon Resort Llc

Groundwater 492 people served
16 violations (5yr)

Mountain Plains 2 Homeowners Assoc

1 health-based
Groundwater 268 people served
4 violations (5yr) · 1 health-based
Lead tested: 1 ppb (limit: 15 ppb)

Spearfish Koa

Groundwater 256 people served
0 violations

Saint Onge Sewer & Water Co

Groundwater 255 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Fireside Campground

Groundwater 210 people served
0 violations

Yesway Store #1192

All resolved
Groundwater 200 people served
1 violation (5yr) · All resolved

Lantern Estates

Groundwater 192 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

Walnut Park

1 health-based
Groundwater 180 people served
2 violations (5yr) · 1 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Black Hills Nf-Cook Lake Cg

All resolved
Groundwater 165 people served
2 violations (5yr) · All resolved

Spearfish Valley Mobile Estates

1 health-based
Groundwater 163 people served
2 violations (5yr) · 1 health-based · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

Latchstring Restaurant

Groundwater 125 people served
0 violations

Spearfish Forest Products

Groundwater 120 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Ken'S Trailer Court

All resolved
Groundwater 110 people served
2 violations (5yr) · All resolved
Lead tested: 5 ppb (limit: 15 ppb)

Sand Creek Trading Post

1 health-based
Groundwater 110 people served
17 violations (5yr) · 1 health-based · All resolved

Westfield Addition

Groundwater 104 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Westview Homeowners Association

Groundwater 103 people served
0 violations
Lead tested: 7 ppb (limit: 15 ppb)

D & E Water Company

Groundwater 100 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb)

Lewie'S Burgers And Brews

All resolved
Groundwater 100 people served
1 violation (5yr) · All resolved

Devils Tower Forest Products

All resolved
Groundwater 90 people served
1 violation (5yr) · All resolved
Lead tested: 1.1 ppb (limit: 15 ppb)

Spearfish Meadows

Groundwater 87 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Lourie Lane Homeowners Assoc

Groundwater 75 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Spearfish Industrial Park

Groundwater 75 people served
0 violations

Riverside Mobile Home Court

All resolved
Purchased groundwater 75 people served
3 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Wild Turkey Estates Ii

Groundwater 70 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Meadow Crest Sanitary District

Groundwater 63 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Deberg Well Users Association

Groundwater 54 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb)

Kampus Trailer Court

Groundwater 50 people served
0 violations

Sunrise Homeowners Association

Groundwater 50 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Chris' Campground

Groundwater 50 people served
0 violations

Iron Creek Lake Store

Groundwater 50 people served
0 violations

Gilded Mountain Homeowners Associati

Groundwater 45 people served
0 violations

Centennial Vista Estates

Groundwater 44 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Valley View Water Association

Groundwater 42 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Hillsview Trailer Court

Groundwater 40 people served
0 violations

Apple Valley Mobile Home Park

Groundwater 40 people served
0 violations

House Of Little Ones

Groundwater 38 people served
0 violations

Pleasant Acres Trailer Court

Groundwater 35 people served
0 violations

Spring Creek Preserve

All resolved
Groundwater 35 people served
2 violations (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Loving Care Group Home

Groundwater 33 people served
0 violations

Wild Turkey Estates I

Groundwater 33 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

The Timbers

Groundwater 33 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Usfs - Nemo Water System

Groundwater 31 people served
0 violations
Lead tested: 5 ppb (limit: 15 ppb)

Two Bit Ranch Estates

Groundwater 30 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb)

Spring Creek Ranch

Groundwater 30 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Reynolds Court

1 health-based
Groundwater 28 people served
2 violations (5yr) · 1 health-based · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Hardy Water System

Groundwater 27 people served
0 violations

Usfs-Bhnf Hardy Camp

Groundwater 25 people served
0 violations

Usfs-Bhnf Hardy Workcenter

Groundwater 25 people served
0 violations

Mcnenny State Fish Hatchery

Groundwater 25 people served
0 violations

Centennial Hills Home Association

Groundwater 25 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

Wee Campground

Groundwater 25 people served
0 violations

Mountain View Campground

Groundwater 25 people served
0 violations

Jb Ranchette Homeowners

Groundwater 24 people served
0 violations

Bicentennial Trailer Court

All resolved
Groundwater 23 people served
1 violation (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Rimrock Lodge

Surface water 14 people served
0 violations

Watford Rv Park

Groundwater 2 people served
0 violations

Buffalo Jump Saloon & Steakhouse

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

37 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
All resolved
Groundwater RuleHealth-Based
1 violation
Has active
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
1 violation
All resolved
E. COLIMonitoring
3 violations
All resolved
Public NoticeMonitoring
3 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
Has active
Nitrate-NitriteMonitoring
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
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jul 2024

How Does This Compare?

Spearfish (57783) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 57.

Fewer violations 92th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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