How many water violations are in Anoka County?

Anoka County has 2,022 total drinking water violations across 245 water systems, of which 1,264 are health-based violations. 54.3% of systems have at least one violation.

How many people get water from Anoka County systems?

Water systems in Anoka County serve approximately 328,280 people through 245 public water systems.

Has PFAS been detected in Anoka County water?

Under EPA UCMR5, 10 of 12 tested systems in Anoka County had at least one PFAS detection (83.3% of the UCMR5-tested subset - not of all 245 SDWIS systems).

What types of water sources supply Anoka County?

Water systems in Anoka County use GW (243 systems), SW (2 systems) as their primary water sources.

Are health-based violations serious?

Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 62.5% of Anoka County's violations are health-based. Among counties with any SDWIS violations, this extract puts Anoka County in the higher health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

Where does Anoka County sit among U.S. counties for water-system population?

According to EPA SDWIS county population served used on /counties, Anoka County ranks #211 of 3,254 counties by people served, and #4 of 87 counties in Minnesota. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Minnesota

Anoka County, Minnesota

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet MN003 · Anoka County 245 sys · 2,022 viol · #211/3254

VIOL-HIGH · HEALTH-HIGH · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-LARGE · BOOK-FULL

VIOL-HIGH 54.3% flagged
HEALTH-HIGH 62.5% health
RANK-TOP #211/3254
PHOTO-FINISH ±0.1 pp
PFAS-HIGH 83.3% detect
SRC-GW GW lead 99%
SYS-LARGE 245 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Carver County (+ 0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Anoka County ranks #211 of 3,254 counties by people served, and #4 of 87 counties in Minnesota. See methodology · corpus placement.

Anoka County standing, lower-flagged corpus third

Flagged-system rate 54.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 62.5% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 83.3% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #211 of 3,254 · #4 of 87 in Minnesota.

Water Systems

System Name	Population	Violations	PFAS
Blaine	70,220	26	Detected
Coon Rapids	64,000	23	Detected
Fridley	27,476	11	Detected
Columbia Heights	22,278	13	Detected
Andover	21,455	23	Detected
Anoka	18,000	76	Detected
Lino Lakes	17,859	6	Detected
Ramsey	17,705	4	Detected
Spring Lake Park	7,200	37	Clean
Saint Francis	5,200	15	Clean
Circle Pines	5,075	5	Detected
Centerville	3,962	9	Detected
Eagle Brook Church	3,500	0	-
Lexington	2,738	25	-
Centennial Square Mobile Home Park	2,000	29	-
Holiday Stationstore No. 223	1,600	101	-
Fridley Terrace Mobile Home Park	1,300	6	-
MN Correctional Facility - Lino Lakes	1,300	13	-
Eagle Brook Church Ham Lake	1,300	0	-
Speedway No. 4537	1,200	76	-
St. Patrick's Catholic Church	1,100	27	-
Catholic Church of St. Paul	1,100	22	-
Bill's Superette #11	950	23	-
Rum River Elementary School	940	14	-
Bill's Superette #10	900	7	-
Hilltop	880	7	-
Flamingo Terrace Mobile Home Park	804	18	-
Catholic Church of Saint Genevieve	800	0	-
McKinley Elementary School, ISD No. 11	780	0	-
Dinomart1Groceries/Sinclair Gas Station-	700	0	-
Cedar Creek Elementary	700	13	-
Davinci Academy	700	0	-
Bill's Superette #14	700	0	-
Restwood Terrace	650	11	-
Oak Grove	623	15	-
East Bethel Elementary	550	9	-
GreyStone MHP	500	65	-
East Bethel	500	33	-
Neighborhood Stop #103	500	5	-
Ham Lake Center/Mansetti's Pizza	500	0	-
Blue Ribbon Pines Golf	500	0	-
Columbus Elementary School	490	4	-
Nowthen Alliance Church	450	23	-
Early Childhood Family Center (ECFC)	440	7	-
Linwood Elementary School	410	7	-
Cedarwood Estates	406	11	-
Spirit of Christ Lutheran Church	350	0	-
Seventh Day Adventist Church	330	0	-
Anoka County Parks Dept.-Bunker Hills #4	300	57	-
Ramsey Market	300	0	-

Compare beyond Minnesota

Lower-flagged peers for Anoka County

Cross-state counties nearest Anoka County on flagged-system share (54.3%) and cumulative violation count (2,022). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Compiled by PlainWater, Drinking Water Quality Editorial Process · May 15, 2026

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.