A86/100
Dakota Dunes Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,700 residents · South Dakota
What's In Dakota Dunes's Tap Water?
2
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 7.60 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1997.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
DAKOTA DUNES CID
Population Served
3,700
Water Source
GUP
System ID
SD4602093
Frequently Asked Questions About Dakota Dunes Water
Is Dakota Dunes tap water safe to drink?
Dakota Dunes, South Dakota tap water receives a grade of A (86/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Dakota Dunes's water?
Of the 2 contaminants tested in Dakota Dunes's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Dakota Dunes have any water quality violations?
Yes, Dakota Dunes has 3 EPA violation(s) on record, with the most recent in 1997. Violation types include MR. None of these are classified as health-based violations.
Do I need a water filter in Dakota Dunes?
Based on EPA data, using a water filter in Dakota Dunes is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Dakota Dunes's tap water come from?
Dakota Dunes's drinking water is sourced from gup and supplied by DAKOTA DUNES CID. The system serves approximately 3,700 people.
How often is Dakota Dunes's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Dakota Dunes's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Dakota Dunes's water compare to other cities in South Dakota?
Dakota Dunes's water quality score of 86/100 earns a grade of A, which is considered excellent. This places Dakota Dunes among the better-performing water systems in South Dakota. Visit our South Dakota state page to see how all cities in the state compare.
What should I do if I'm concerned about Dakota Dunes's water quality?
If you have concerns about Dakota Dunes's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (DAKOTA DUNES CID) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.