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GREEN AREA WATER & SANITARY AUTHORITY

PWS ID: OR4100717 · ROSEBURG, Oregon 97470

GREEN AREA WATER & SANITARY AUTHORITY serves 7,000 people in ROSEBURG, Oregon using Surface Water water sources. It has 193 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GREEN AREA WATER & SANITARY AUTHORITY

GREEN AREA WATER & SANITARY AUTHORITY is a local-owned community water system that delivers drinking water to 7,000 residents in ROSEBURG, Oregon (Douglas County) through 3,000 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 193 total violations for this system , of which 10 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 182 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 15 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Oregon, EPA tracks 2,518 public water systems serving 4,005,242 people, with 206,659 cumulative violations and 20,339 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 82.1 violations. GREEN AREA WATER & SANITARY AUTHORITY's 193 violations sit above the Oregon average. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
7,000
Total Violations
193
Health-Based Violations
10
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,000
County
Douglas
School/Daycare
No
MCL Violations
1
Monitoring Violations
182
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 15 2019
Coliform (TCR) MR 15 2011
Surface Water Treatment Rule TT 9 1995
Nitrate MR 8 2015
1,2,4-Trichlorobenzene MR 6 2009
DICHLOROMETHANE MR 6 2009
o-Dichlorobenzene MR 6 2009
p-Dichlorobenzene MR 6 2009
1,1-Dichloroethylene MR 6 2009
trans-1,2-Dichloroethylene MR 6 2009
1,1,1-Trichloroethane MR 6 2009
Carbon tetrachloride MR 6 2009
1,2-Dichloropropane MR 6 2009
Trichloroethylene MR 6 2009
Tetrachloroethylene MR 6 2009
Toluene MR 6 2009
Styrene MR 6 2009
1,2-Dichloroethane MR 6 2009
CHLOROBENZENE MR 6 2009
Ethylbenzene MR 6 2009
cis-1,2-Dichloroethylene MR 6 2009
Xylenes, Total MR 6 2009
1,1,2-Trichloroethane MR 6 2009
Vinyl chloride MR 6 2009
Interim Enhanced Surface Water Treatment Rule MR 6 2025
TTHM MR 5 2017
Total Haloacetic Acids (HAA5) MR 5 2017
Benzene MR 4 2007
Arsenic MR 3 2009
Coliform (TCR) MCL 1 2006

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFBS 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/22/2024 <9 µg/L 9 µg/L Not Detected
PFTA 7/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 7/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 7/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 7/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 7/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
8:2 FTS 7/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 4/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 4/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 4/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 4/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/24/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 4/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 4/24/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 4/24/2024 <0.005 µg/L 0.005 µg/L Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for GREEN AREA WATER & SANITARY AUTHORITY.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID OR4100717 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oregon Drinking Water Authority

Oregon's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find OR regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Interim Enhanced Surface Water Treatment Rule MR 6 SDWIS / OR4100717 / 0300
2023 Consumer Confidence Rule Other 1 SDWIS / OR4100717 / 7000
2019 Surface Water Treatment Rule MR 15 SDWIS / OR4100717 / 0200
2017 TTHM MR 5 SDWIS / OR4100717 / 2950
2017 Total Haloacetic Acids (HAA5) MR 5 SDWIS / OR4100717 / 2456
2015 Nitrate MR 8 SDWIS / OR4100717 / 1040
2011 Coliform (TCR) MR 15 SDWIS / OR4100717 / 3100
2009 1,2,4-Trichlorobenzene MR 6 SDWIS / OR4100717 / 2378
2009 DICHLOROMETHANE MR 6 SDWIS / OR4100717 / 2964
2009 o-Dichlorobenzene MR 6 SDWIS / OR4100717 / 2968
2009 p-Dichlorobenzene MR 6 SDWIS / OR4100717 / 2969
2009 1,1-Dichloroethylene MR 6 SDWIS / OR4100717 / 2977
2009 trans-1,2-Dichloroethylene MR 6 SDWIS / OR4100717 / 2979
2009 1,1,1-Trichloroethane MR 6 SDWIS / OR4100717 / 2981
2009 Carbon tetrachloride MR 6 SDWIS / OR4100717 / 2982

How GREEN AREA WATER & SANITARY AUTHORITY Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric GREEN AREA WATER & SANITARY AUTHORITY Oregon avg Federal benchmark
Total violations 193 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 8.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 24% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 7,000 1,591 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,518 regulated public water systems in Oregon.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is GREEN AREA WATER & SANITARY AUTHORITY water safe to drink? ▼
GREEN AREA WATER & SANITARY AUTHORITY (PWS ID: OR4100717) has 193 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 7,000 people using Surface Water sources.
How many people does GREEN AREA WATER & SANITARY AUTHORITY serve? ▼
GREEN AREA WATER & SANITARY AUTHORITY serves 7,000 people in ROSEBURG, Oregon. It is a Local-owned system using Surface Water water sources with 3,000 service connections.
What type of violations does GREEN AREA WATER & SANITARY AUTHORITY have? ▼
GREEN AREA WATER & SANITARY AUTHORITY has 193 total violations: 10 health-based violations (MCL exceedances or treatment failures), 182 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GREEN AREA WATER & SANITARY AUTHORITY water? ▼
No. GREEN AREA WATER & SANITARY AUTHORITY was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does GREEN AREA WATER & SANITARY AUTHORITY use? ▼
GREEN AREA WATER & SANITARY AUTHORITY uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial