Tap Water Results

Is Aberdeen, SD tap water safe?

Data: U.S. EPA · How we read the data · How we check it

Summary

No federal limits exceeded in EPA data for Aberdeen Water System. 1 PFAS were detected below the limits.

34 public water systems serve parts of Aberdeen. The largest, Aberdeen Water System, serves 27,989 people. Your water bill names your system.

Largest system

Aberdeen Water System

27,989 people · Surface water · EPA ID SD4600020

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 3 ppb at the 90th percentile (Jun 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 7

Across South Dakota, 0 of 55 water systems EPA tested had PFAS above a 2024 federal limit, and 0 systems were above the lead action level in results from the last five years. South Dakota results.

Aberdeen homes and lead pipes

62%
of homes built before 1980 (South Dakota 50%, US 50%)
25%
built before 1950 (South Dakota 20%)
38%
of households rent (South Dakota 31%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Aberdeen city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Aberdeen

  • Web Water Development Association
    20,750 people · Surface water · South Dakota · lists this city
    Lithium above screening level
  • Mina Lake Sanitary District
    863 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Lakeside Estates Water System
    460 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Country Village Park Water System
    340 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Prairiewood Property Owners Water System
    300 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sampleAlso: 2 health-based violations since 2016
  • Upland Colony Water System
    198 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
27 more systems
  • Maxwell Colony
    163 people · Groundwater · South Dakota · lists this city
    Coliform bacteria violation
  • Fordham Colony Water System
    142 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Sunset Colony Water System
    140 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Blumengard Colony Water System
    133 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Evergreen Colony Water System
    121 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Clearfield Colony Water System
    120 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Lakeview Colony Water System
    118 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sampleAlso: 1 health-based violation since 2016
  • Jobee Acres Water System
    108 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sampleAlso: 2 health-based violations since 2016
  • White Rock Colony Water System
    108 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Spink Colony Water System
    108 people · Groundwater · South Dakota · lists this city
    Coliform bacteria violation
  • Long Lake Colony Water System
    107 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Pleasant Valley Colony Water System
    107 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Pleasant Valley Estates Water System
    105 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Huron Colony Water System
    95 people · Groundwater · South Dakota · lists this city
    Coliform bacteria violation
  • Glendale Colony Water System
    95 people · Groundwater · South Dakota · lists this city
    Coliform bacteria violation
  • Collins Colony Water System
    95 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Pearl Creek Colony Water System
    94 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Red Willow Colony Water System
    93 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Northwood First Subdivision
    90 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Westport Sanitary District
    88 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Greenwood Colony Water System
    85 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Rolling Meadows Water System
    83 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample
  • The Meadows Water System
    80 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Riverside Colony Water System
    80 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Camrose Colony Water System
    80 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sample
  • Shamrock Colony Water System
    75 people · Groundwater · South Dakota · lists this city
    Not in EPA's PFAS sampleAlso: 1 health-based violation since 2016
  • Richmond Heights Homeowners Associat Water System
    67 people · Purchased surface water · South Dakota · lists this city
    Not in EPA's PFAS sample

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Brookings 114 mi
Brookings Municipal Utilities
Brookings Municipal UtilitiesNone above limits8 ppb
Sioux Falls 157 mi
Sioux Falls Water System
Sioux Falls Water SystemNone above limits3 ppb
Rapid City 249 mi
Rapid City Water System
Rapid City Water SystemNone above limits6 ppb
Aberdeen ZIP codes (1)
  • 57401

Questions

Is Aberdeen tap water safe to drink?

Aberdeen Water System had 7 health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Aberdeen, SD?

34 public water systems serve parts of Aberdeen. The largest is Aberdeen Water System (27,989 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Aberdeen tap water have PFAS?

Aberdeen Water System had 1 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Aberdeen homes have lead pipes?

Census estimates put 62% of Aberdeen homes as built before 1980 (South Dakota: 50%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Aberdeen Water System's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.