WaterVerge

Is Tripp, SD Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

575 residents served 1 water system PWSID: SD4600334
Overall Score
91.8 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#25 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
91.8/100
waterverge.com
A 91.8/100

Tripp, SD — Water Quality Report

Tripp's drinking water received a grade of A (91.8 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 575 residents using groundwater.

Lead levels were measured at 2.0 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 93 violations on record, including 3 health-based violations. 1 remains unresolved.

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

What to know about Tripp's water

Tripp ranks #25 out of 141 cities in South Dakota for water quality, placing it above average in the state.

Tripp relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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

Quality Breakdown

Water quality score

See methodology →
91.8 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.8/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Tripp, SD water safe to drink?

Use Caution

Tripp's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 575 residents using groundwater (wells).

1
Active Violations
2.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Tripp

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Tripp's water quality assessment. Grade: A (91.8/100).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

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

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

Contaminants: Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Tripp's water system has 93 total violations on record, including 3 health-based violations. 1 remain unresolved.

MROtherMCL
Most recent violations:
Jan 2006 Chlorine Resolved
Oct 2005 Chlorine Resolved
Jul 2005 Chlorine Resolved
Oct 2001 Consumer Confidence Rule Resolved
Feb 1999 Lead and Copper Rule Resolved

Flood & environmental risk

Hutchinson County has experienced 10 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.

SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4807
SEVERE WINTER STORM, SNOWSTORM, AND FLOODING
Flood FEMA DR-4440
FLOODING
Flood FEMA DR-1984

Where does Tripp's water come from?

Tripp's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 575 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Tripp residents can do

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

Tripp'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

93
Total violations
3
Health-based
1
Active / unresolved
Jan 2006
Most recent violation
Compliance Record

Violations & advisories

93 Total
1 Active
3 Health-based
92 Resolved
Violations by category
Synthetic Organic Chemicals
32
Volatile Organic Chemicals
21
Total Coliform Rule
12
Inorganic Chemicals
11
Lead and Copper Rule
6
Active
Compliance Violation
Monitoring 0
Jan 2006 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2006
Oct 2005 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2005
Jul 2005 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2005
Oct 2001 Resolved
Consumer Confidence Rule
Other Violation Resolved Dec 2001
Feb 1999 Resolved
Lead and Copper Rule
Other Violation Resolved Mar 1999
Sep 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1998
Aug 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1998
Jan 1998 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1999
Feb 1997 Resolved
Miscellaneous Other Rules
Other Violation Resolved Mar 1997
Sep 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1996
Sep 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1996
Aug 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1996
Jan 1996 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1997
Jan 1996 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1998
Jan 1996 Resolved
HEXACHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1998
Jan 1996 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1998
Jan 1996 Resolved
Chlordane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1998
Jan 1996 Resolved
Toxaphene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1998
Jan 1996 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1998
Showing 20 of 93 violations
Environmental Risk

Drought conditions

D2 — severe drought

Hutchinson 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)
9.8%
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

10
Declared disasters
Aug 2024
Most recent
Flood
Most common type

Hutchinson County has experienced 10 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
May 2011
FLOODING
Flood FEMA #1984
May 2010
FLOODING
Flood FEMA #1915
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3234
Apr 1997
SEVERE FLOODING, SEVER WINTER STORMS,HEAVY RAINS HIGH WINDS
Flood FEMA #1173

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 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 0.0 ppb from 1995 (2.0 ppb) to 2024 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
575
Water Systems
1
Water Source

Where Tripp's water comes from

Groundwater

Tripp's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 575 people through 1 water system.

Infrastructure

Water systems serving Tripp

System Name PWSID Population Source
TRIPP SD4600334 575 GW
Regional Comparison

How Tripp compares

Full South Dakota rankings →

Tripp's score of 91.8/100 is above the average of 66/100 among major South Dakota cities. It outscores 9 of 10 nearby cities.

Tripp (this city)
91.8
Rapid City
38.7
Aberdeen
41.8
Pierre
87.3
South Dakota avg
66
City Profile

About Tripp, SD

Wikipedia →

Tripp is a city in Hutchinson County, South Dakota, United States. The population was 575 in the 2020 census.

Economic Profile
$55,000
Median Income
$63,781
Median Home Value
$336/mo
Median Rent
1.5%
Unemployment
Community
50.7
Median Age
347
People / sq mi
21.9%
College Educated
69.3%
Homeownership
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Frequently asked questions

Is Tripp, SD tap water safe to drink?

Tripp's water quality earned a grade of A (91.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #25 out of 141 cities tested in South Dakota.

What contaminants are in Tripp's water?

Lead was measured at 2.0 ppb (90th percentile). 93 violations are on record.

How is Tripp'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 Tripp?

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

Where does Tripp's water come from?

Tripp's water is sourced from Groundwater. The city has 1 water system serving approximately 575 residents.

What health violations has Tripp's water system had?

Tripp has 3 health-based violations on record. The most recent violation was recorded in January 2006. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Tripp's groundwater at risk of contamination?

Tripp 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 93 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 Tripp's water compare to other cities?

Tripp ranks #25 out of 141 cities in South Dakota (better than 82% of state cities) and #1508 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 Tripp's small water system affect quality?

Tripp's system serves approximately 575 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 93 violations on record.