WaterVerge

Is Baltic, SD Tap Water Safe to Drink?

Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: SD4600034
Overall Score
91.7 / 100
Violations
3 active
Last Updated
May 2026
Source
Purchased ground water
#26 of 141 in South Dakota Top 10% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.7/100
waterverge.com
A 91.7/100

Baltic, SD — Water Quality Report

Baltic's drinking water received a grade of A (91.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,271 residents using purchased ground water.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 33 violations on record, including 1 health-based violation. 3 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Baltic's water

Baltic ranks #26 out of 141 cities in South Dakota for water quality, placing it above average in the state.

Baltic purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Baltic may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
91.7 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.7/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Baltic, SD water safe to drink?

Concerns Identified

Baltic's drinking water has significant quality concerns based on EPA testing data. With a grade of A (91.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,271 residents using groundwater (wells).

3
Active Violations
1.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Baltic

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Baltic's water quality assessment. Grade: A (91.7/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4807). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE WINTER STORM, SNOWSTORM, AND FLOODING

Federal disaster declaration (FEMA DR-4440). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Stage 1 Disinfectants and Disinfection Byproducts Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Baltic's water supply.

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Baltic's water system has 33 total violations on record, including 1 health-based violation. 3 remain unresolved. 1 violation was issued in the last 5 years.

MONMRTTOther
Most recent violations:
Aug 2025 Revised Total Coliform Rule Resolved
Oct 2020 Lead and Copper Rule Open
Jan 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule Open
Aug 2006 Coliform (TCR) Resolved
Apr 2001 Coliform (TCR) Resolved

Flood & environmental risk

Minnehaha County has experienced 6 federally declared disasters since 1969. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Big Sioux River, Skunk Creek, Willow Creek.

SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4807
SEVERE WINTER STORM, SNOWSTORM, AND FLOODING
Flood FEMA DR-4440
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-4186

Where does Baltic's water come from?

Baltic's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,271 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Big Sioux River (river), Skunk Creek (river), Willow Creek (river).

What Baltic residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Baltic's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Baltic's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

33
Total violations
1
Health-based
3
Active / unresolved
Aug 2025
Most recent violation
Compliance Record

Violations & advisories

33 Total
3 Active
1 Health-based
30 Resolved
Violations by category
Total Coliform Rule
13
Miscellaneous Other Rules
8
Lead and Copper Rule
7
Radionuclides and Revised Rad Rule
2
Revised Total Coliform Rule
1
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2009 Active
Stage 1 Disinfectants and Disinfection Byproducts Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Aug 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2025
Aug 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2006
Apr 2001 Resolved
Coliform (TCR)
Other Violation Resolved May 2001
Feb 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2001
Dec 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1996
Oct 1996 Resolved
Miscellaneous Other Rules
Other Violation Resolved Nov 1996
Jan 1996 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1996
Aug 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1995
Jul 1995 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1996
Jun 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1995
Apr 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 1995
Jan 1995 Resolved
Miscellaneous Other Rules
Other Violation Resolved Feb 1995
Jan 1995 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1996
Nov 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1994
Jul 1994 Resolved
Miscellaneous Other Rules
Other Violation Resolved Aug 1994
Jul 1994 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1996
Jul 1994 Resolved
Miscellaneous Other Rules
Other Violation Resolved Jul 1994
Showing 20 of 33 violations
Industrial pollution

Top industrial polluters within 10 miles of Baltic

Industrial polluters nearby

Reported releases to surface water by facilities near Baltic, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
ROSENBAUER SOUTH DAKOTA LLC
Transportation Equipment · ROSENBAUER AMERICA LLC
LYONS, SD57041
7.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Minnehaha County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

9
Weeks at D2+ (current streak)
15.4%
Months in D2+ (last 30y)
9
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

6
Declared disasters
Aug 2024
Most recent
Flood
Most common type

Minnehaha County has experienced 6 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4807
Jun 2019
SEVERE WINTER STORM, SNOWSTORM, AND FLOODING
Flood FEMA #4440
Jul 2014
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #4186
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3234
Apr 1997
SEVERE FLOODING, SEVER WINTER STORMS,HEAVY RAINS HIGH WINDS
Flood FEMA #1173
Apr 1969
FLOODING
Flood FEMA #257

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.0 ppb from 1993 (2.0 ppb) to 2023 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
1,271
Water Systems
1
Water Source

Where Baltic's water comes from

Purchased Groundwater

Baltic purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Baltic's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 1,271 people through 1 water system.

Local Hydrology

Water bodies near Baltic

Baltic is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Big Sioux River
river
Skunk Creek
river
Willow Creek
river
Infrastructure

Water systems serving Baltic

System Name PWSID Population Source
BALTIC SD4600034 1,271 GWP
Regional Comparison

How Baltic compares

Full South Dakota rankings →

Baltic's score of 91.7/100 is above the average of 66/100 among major South Dakota cities. It outscores 9 of 10 nearby cities.

Baltic (this city)
91.7
Rapid City
38.7
Aberdeen
41.8
Pierre
87.3
South Dakota avg
66
City Profile

About Baltic, SD

Economic Profile
$94,167
Median Income
$207,447
Median Home Value
$1,083/mo
Median Rent
1.2%
Unemployment
Community
30.1
Median Age
753
People / sq mi
30.7%
College Educated
82.8%
Homeownership
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Frequently asked questions

Is Baltic, SD tap water safe to drink?

Baltic's water quality earned a grade of A (91.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #26 out of 141 cities tested in South Dakota.

What contaminants are in Baltic's water?

Lead was measured at 1.0 ppb (90th percentile). 33 violations are on record.

How is Baltic's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Baltic?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Baltic's water come from?

Baltic's water is sourced from Purchased ground water. The city has 1 water system serving approximately 1,271 residents.

What health violations has Baltic's water system had?

Baltic has 1 health-based violation on record. The most recent violation was recorded in August 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Baltic's groundwater at risk of contamination?

Baltic uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 33 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Baltic's water compare to other cities?

Baltic ranks #26 out of 141 cities in South Dakota (better than 82% of state cities) and #1543 out of 15744 cities nationally (90th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Baltic's small water system affect quality?

Baltic's system serves approximately 1,271 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 33 violations on record.