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05 Water Quality
113 public water systems serving 144,290 people.
Water Systems
113
Total Violations
19,546
Violation Rate
94.7%
PFAS Detection
38.5%
5 of 13 tested
Violation Composition
How 05's 19,546 violations break down by type, per EPA SDWIS classification.
Health-based (443) Monitoring/Reporting (19,103)
| Metric | Value | Share |
|---|---|---|
| Public water systems | 113 | — |
| Population served | 144,290 | — |
| Total violations | 19,546 | 100% |
| Health-based violations | 443 | 2.3% |
| Systems with violations | 107 | 94.7% |
| PFAS detection rate | 5 of 13 | 38.5% |
Health-based violations indicate the contaminant exceeded an EPA Maximum Contaminant Level (MCL) or treatment-technique requirement. Monitoring/reporting violations indicate procedural issues (missed tests, late reports) — not necessarily a contamination event.
Largest Water Systems
SOUTH WATER TREATMENT PLANT (SWTP)
PRIOR LAKE, 05 · 24,959 served
MT. PLEASANT
MOUNT PLEASANT, 05 · 10,198 served
EAST BAY WATER WORKS
SUTTONS BAY, 05 · 7,284 served
PRAIRIE ISLAND
WELCH, 05 · 6,699 served
SAGANING
MT. PLEASANT, 05 · 5,772 served
HANNAHVILLE COMMUNITY
WILSON, 05 · 4,391 served
ONEIDA #1 OR SITE #1
ONEIDA, 05 · 4,322 served
VINELAND
ONAMIA, 05 · 4,220 served
LOWER SIOUX
MORTON, 05 · 4,000 served
KESHENA
KESHENA, 05 · 3,960 served
ODAWA CASINO
HARBOR SPRINGS, 05 · 3,500 served
LAC DU FLAMBEAU
LAC DU FLAMBEAU, 05 · 3,168 served
DRY TOWN
HAYWARD, 05 · 3,030 served
SOUTH-CENTRAL WATER SYSTEM
BOWLER, 05 · 2,805 served
LITTLE RIVER TRIBAL WATER SYSTEM
MANISTEE, 05 · 2,802 served
SAND PILLOW
BLACK RIVER FALLS, 05 · 2,746 served
VERMILION
NETT LAKE, 05 · 2,486 served
FOUR WINDS DOWAGIAC
DOWAGIAC, 05 · 2,271 served
PESHAWBESTOWN
SUTTONS BAY, 05 · 2,135 served
REDBY/RED LAKE
RED LAKE, 05 · 2,099 served
Most Violations
#1 GRAND PORTAGE GRAND PORTAGE
1,966 #2 BUG-O-NAY-GE-SHIG SCHOOL GYM BENA
1,198 #3 BUG-O-NAY-GE-SHIG VOCATIONAL SCHOOL BENA
1,161 #4 RODGERS LAKE DOWAGIAC
918 #5 MOLE LAKE CRANDON
535 #6 NETT LAKE NETT LAKE
527 #7 SAGANING MT. PLEASANT
486 #8 NAYTAHWAUSH WHITE EARTH
480 #9 CHIPPEWA RANCH WHITE EARTH
460 #10 RICE LAKE WHITE EARTH
459 #11 RED CLIFF NORTH BAYFIELD
410 #12 ELBOW LAKE WHITE EARTH
408 #13 ZEBA BARAGA
377 #14 PONSFORD/PINE POINT WHITE EARTH
375 #15 NORTHERN LIGHT CANNABIS COMPANY BRIMLEY
368 Counties in 05
Drinking Water Guides
Related Environmental Data for 05
Frequently Asked Questions
How many water systems are in 05? ▼
05 has 113 public water systems serving approximately 144,290 people. These include community water systems, non-transient non-community systems, and transient non-community systems regulated under the Safe Drinking Water Act.
How many drinking water violations are in 05? ▼
05 has 19,546 total drinking water violations on record, with 443 classified as health-based violations. 94.7% of water systems in the state have at least one violation.
Has PFAS been found in 05 drinking water? ▼
Of 13 water systems tested for PFAS in 05, 5 had PFAS detected — a 38.5% detection rate. PFAS are persistent "forever chemicals" that do not break down in the environment.
What is the violation rate for 05 water systems? ▼
05's violation rate is 94.7%. This measures the percentage of public water systems that have at least one recorded violation in the EPA SDWIS database, including both health-based and monitoring/reporting violations.
Where does this 05 water data come from? ▼
All drinking water data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS is the federal database that tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources & Methodology
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.
Read our methodology — how this data is sourced, computed, and verified.
Related
Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial
