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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.

304

Systems with No Violations

95.9%

Compliance Rate

13

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 30 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
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#2

ST CLOUD

MN1730055

Clean
5.04.7None
B85
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#3

PRIOR LAKE

MN1700020

Clean
5.04.2None
B85
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#4

Belle Plaine

MN1700001

Clean
5.54.5None
C75
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#5

Benson

MN1760008

Clean
5.08.7None
C75
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#6

Buckman

MN1490001

Clean
7.23.9None
C75
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#7

Blaine

MN1020010

Clean
4.05.2None
C75
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#8

ST CLOUD

MN1050008

Clean
7.24.5None
C75
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#9

Redwood Falls

MN1650015

Clean
9.94.4None
C75
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#10

OAKDALE

MN1820027

Clean
7.54.4None
C75
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#11

RICHFIELD

MN1270060

Clean
9.04.4None
C75
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#12

ST CLOUD

MN1730044

Clean
10.05.0None
C75
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#13

Marshall

MN1420012

Clean
5.24.4None
C75
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#14

ST CLOUD

MN1730049

Clean
9.74.6None
C75
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#15

Sauk Rapids

MN1050005

Clean
8.34.7None
C75
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#16

ROCHESTER

MN1550017

Clean
9.74.8None
C75
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#17

Minneapolis

MN1180016

Clean
8.84.0None
C75
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#18

AUSTIN

MN1500018

Clean
6.34.6None
C75
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#19

Hastings

MN1190012

Clean
8.94.4None
C75
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#20

Chaska

MN1300006

Clean
6.44.6None
C75
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#21

Lakeville

MN1190015

Clean
10.04.7None
C75
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#22

Rochester

MN1550018

Clean
6.24.6None
C75
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#23

Little Falls

MN1490002

Clean
6.14.7None
C75
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#24

Grand Rapids

MN1310014

Clean
7.94.5None
C75
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#25

Faribault

MN1660004

Clean
6.44.8None
C75
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#26

Minneapolis

MN1270024

Clean
8.54.2None
C75
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#27

Montevideo

MN1120004

Clean
5.34.9None
C75
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#28

Monticello

MN1860012

Clean
9.14.4None
C75
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#29

Motley

MN1490003

Clean
4.85.2None
C75
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#30

CASS LAKE

055294208

Clean
7.73.4None
C75
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