Back to Contaminant Rankings

Water Systems with Clean EPA Compliance Records

These water systems have no health-based EPA violations on record, demonstrating consistent compliance with federal Safe Drinking Water Act standards.

29

Systems with No Violations

72.5%

Compliance Rate

11

Systems with Violations

About EPA Violations

The Safe Drinking Water Act requires public water systems to monitor and test their water regularly and report results to state and federal authorities. Violations can include:

  • Health-based violations: Exceeding maximum contaminant levels
  • Monitoring violations: Failing to test water as required
  • Reporting violations: Not reporting test results on time
  • Treatment violations: Not properly treating water

Systems shown here have maintained clean compliance records, meeting all federal standards for testing, treatment, and contaminant levels.

Top 29 Systems with Perfect Compliance

Ranked by overall water quality score

RankCity & SystemComplianceLead (ppb)Nitrate (ppm)PFASOverall ScoreAction
#1

Blaine

MN1020006

Clean
4.34.9None
B85
View Details →
#2

ST CLOUD

MN1730055

Clean
5.04.7None
B85
View Details →
#3

PRIOR LAKE

MN1700020

Clean
5.04.2None
B85
View Details →
#4

Belle Plaine

MN1700001

Clean
5.54.5None
C75
View Details →
#5

Benson

MN1760008

Clean
5.08.7None
C75
View Details →
#6

Buckman

MN1490001

Clean
7.23.9None
C75
View Details →
#7

Blaine

MN1020010

Clean
4.05.2None
C75
View Details →
#8

ST CLOUD

MN1050008

Clean
7.24.5None
C75
View Details →
#9

Redwood Falls

MN1650015

Clean
9.94.4None
C75
View Details →
#10

OAKDALE

MN1820027

Clean
7.54.4None
C75
View Details →
#11

RICHFIELD

MN1270060

Clean
9.04.4None
C75
View Details →
#12

ST CLOUD

MN1730044

Clean
10.05.0None
C75
View Details →
#13

Marshall

MN1420012

Clean
5.24.4None
C75
View Details →
#14

ST CLOUD

MN1730049

Clean
9.74.6None
C75
View Details →
#15

Sauk Rapids

MN1050005

Clean
8.34.7None
C75
View Details →
#16

ROCHESTER

MN1550017

Clean
9.74.8None
C75
View Details →
#17

Minneapolis

MN1180016

Clean
8.84.0None
C75
View Details →
#18

AUSTIN

MN1500018

Clean
6.34.6None
C75
View Details →
#19

Hastings

MN1190012

Clean
8.94.4None
C75
View Details →
#20

Chaska

MN1300006

Clean
6.44.6None
C75
View Details →
#21

Park Rapids

MN1290011

Clean
5.96.9Detected
F45
View Details →
#22

Ramsey

MN1020035

Clean
9.19.4Detected
F45
View Details →
#23

Owatonna

MN1740007

Clean
8.87.3Detected
F45
View Details →
#24

CASS LAKE

055294204

Clean
12.410.4None
F45
View Details →
#25

Hutchinson

MN1430004

Clean
8.85.7Detected
F45
View Details →
#26

Foley

MN1050001

Clean
5.15.5Detected
F45
View Details →
#27

Aitkin

MN1010001

Clean
10.112.9None
F45
View Details →
#28

ST CLOUD

MN1730031

Clean
10.39.4Detected
F35
View Details →
#29

CASS LAKE

055294205

Clean
21.511.8None
F30
View Details →

Check Your Water System's Compliance

Enter your address to see the EPA compliance record for your water system

Look Up Your Address