WaterVerge

Is Sweet Home, OR Tap Water Safe to Drink?

Graded B-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

10K residents served 1 water system PWSID: OR4100851
Overall Score
71.4 / 100
Violations
4 active
Last Updated
May 2026
Source
Surface water
#77 of 213 in Oregon Top 67% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
71.4/100
waterverge.com
B- 71.4/100

Sweet Home, OR — Water Quality Report

Sweet Home's drinking water received a grade of B- (71.4 out of 100), indicating fair water quality. The city's 1 water system serves approximately 10,322 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 152 violations on record, including 83 health-based violations. 4 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Sweet Home's water

Sweet Home ranks #77 out of 213 cities in Oregon for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

The system has seen 12 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
71.4 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
19.4/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
18/20
A
No PFAS compounds detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Sweet Home, OR water safe to drink?

Concerns Identified

Sweet Home's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (71.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 10,322 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
6 events
Disaster History

Recent water quality updates for Sweet Home

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Sweet Home's water quality assessment. Grade: B- (71.4/100).

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
3 drinking water violations recorded

Contaminants: Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule.

Disaster
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4452). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4055). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Sweet Home's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Sweet Home's water system has 152 total violations on record, including 83 health-based violations. 4 remain unresolved. 12 violations were issued in the last 5 years.

MROtherTTMCL
Most recent violations:
Jan 2025 Total Haloacetic Acids (HAA5) Resolved
Jan 2025 TTHM Resolved
Oct 2024 Consumer Confidence Rule Open
Apr 2024 Surface Water Treatment Rule Resolved
Apr 2024 Interim Enhanced Surface Water Treatment Rule Resolved

Flood & environmental risk

Linn County has experienced 6 federally declared disasters since 1964. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Foster Lake, Foster Dam Tailwater, South Santiam River, Wiley Creek, Lebanon Santiam Canal.

SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4452
SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4055
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3228

Where does Sweet Home's water come from?

Sweet Home's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 10,322 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Foster Lake (lake), Foster Dam Tailwater (river), South Santiam River (river), Wiley Creek (river), Lebanon Santiam Canal (stream).

What Sweet Home residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Sweet Home's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Sweet Home's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

152
Total violations
83
Health-based
4
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

152 Total
4 Active
83 Health-based
148 Resolved
Violations by category
Surface Water Treatment Rule
92
Volatile Organic Chemicals
21
Total Coliform Rule
14
Stage 1 Disinfectants and Disinfection Byproducts Rule
6
Inorganic Chemicals
5
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2000 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Jan 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Apr 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2024
Apr 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2024
Apr 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2024
Mar 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2024
Mar 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2024
Mar 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2024
Feb 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2024
Feb 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2024
Feb 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2024
Jan 2019 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2019
Jan 2019 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2019
Jan 2019 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2019
Aug 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2015
Oct 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2010
Showing 20 of 152 violations
Environmental Risk

Drought conditions

D2 — severe drought

Linn County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

7
Weeks at D2+ (current streak)
27.3%
Months in D2+ (last 30y)
7
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

6
Declared disasters
Jul 2019
Most recent
Flood
Most common type

Linn County has experienced 6 federally declared disasters since 1964. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2019
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4452
Mar 2012
SEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4055
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3228
Feb 1996
HIGH WINDS, SEVERE STORMS AND FLOODING
Flood FEMA #1099
Jan 1972
SEVERE STORMS & FLOODING
Flood FEMA #319
Dec 1964
HEAVY RAINS & FLOODING
Flood FEMA #184

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 13.5 ppb from 1992 (13.5 ppb) to 2024 (0.0 ppb).
Contaminant Rankings

See how Sweet Home compares by contaminant

Explore where Sweet Home ranks among all Oregon cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
10,322
Water Systems
1
Water Source

Where Sweet Home's water comes from

Surface Water

Sweet Home's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 10,322 people through 1 water system.

Local Hydrology

Water bodies near Sweet Home

Sweet Home is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Foster Lake
lake
Foster Dam Tailwater
river
South Santiam River
river
Wiley Creek
river
Lebanon Santiam Canal
stream
Infrastructure

Water systems serving Sweet Home

System Name PWSID Population Source
SWEET HOME, CITY OF OR4100851 10,322 SW
Regional Comparison

How Sweet Home compares

Full Oregon rankings →

Sweet Home's score of 71.4/100 is above the average of 42/100 among major Oregon cities. It outscores 9 of 10 nearby cities.

Sweet Home (this city)
71.4
Portland
39.4
Beaverton
40.7
Salem
43.6
Eugene
28
Bend
41
Oregon avg
42
City Profile

About Sweet Home, OR

Wikipedia →

Sweet Home is a city in Linn County, Oregon, United States, with a population of 9,828 at the 2020 census. Sweet Home is referred to as the 'Gateway to the Santiam Playground' due to its proximity to nearby lakes, rivers and the Cascade Mountains.

Economic Profile
$56,783
Median Income
$226,323
Median Home Value
$1,055/mo
Median Rent
7.8%
Unemployment
Community
41.3
Median Age
717
People / sq mi
8.8%
College Educated
64.8%
Homeownership
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Frequently asked questions

Is Sweet Home, OR tap water safe to drink?

Sweet Home's water quality earned a grade of B- (71.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #77 out of 213 cities tested in Oregon.

What contaminants are in Sweet Home's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 152 violations are on record.

How is Sweet Home's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Sweet Home?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Sweet Home's water come from?

Sweet Home's water is sourced from Surface water. The city has 1 water system serving approximately 10,322 residents.

What health violations has Sweet Home's water system had?

Sweet Home has 83 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

How does Sweet Home's water compare to other cities?

Sweet Home ranks #77 out of 213 cities in Oregon (better than 64% of state cities) and #10547 out of 15744 cities nationally (33th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.