Air Quality Affects on Water Quality - Monitoring at ... · Air/Water Quality Monitoring of...
Transcript of Air Quality Affects on Water Quality - Monitoring at ... · Air/Water Quality Monitoring of...
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Air Quality Affects on Water Air Quality Affects on Water Quality Quality -- Monitoring at Monitoring at Sweetwater ReservoirSweetwater Reservoir
US Geological SurveyUS Geological SurveySacramento, CASacramento, CA
Sweetwater AuthoritySweetwater AuthoritySpring Valley, CASpring Valley, CA
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San Diego 15 km
Capasity: 28,000 afElevation: 73 m
Capasity: 25,400 afElevation: 413 m
Watershed area = 466 Km²
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Air/Water Quality Monitoring of Sweetwater Air/Water Quality Monitoring of Sweetwater and Loveland Reservoirsand Loveland Reservoirs
Objectives and ScopeObjectives and ScopeDetermine Impact on WQ in SWR from the Construction Determine Impact on WQ in SWR from the Construction and Operation of a Specific Highway Project (SRand Operation of a Specific Highway Project (SR--125)125)
Distinguish Local from Regional Ambient Levels of Distinguish Local from Regional Ambient Levels of Contaminants Contaminants
Measuring longMeasuring long--term concentration trends of select VOCs, term concentration trends of select VOCs, PAHs, and TMs in water and air and comparing them to PAHs, and TMs in water and air and comparing them to measured baseline levels.measured baseline levels.
General Health of the WatershedGeneral Health of the WatershedTo Better Understand Land Use Impacts on WQ Through To Better Understand Land Use Impacts on WQ Through MonitoringMonitoring
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Established in 1888Established in 1888UniquenessUniqueness
Water supplied from watershedWater supplied from watershed
Management ProgramManagement ProgramControlled environmentControlled environmentURDS ProgramURDS ProgramProactive Educational and Monitoring ProgramsProactive Educational and Monitoring ProgramsAir Quality Impacts on Water Quality Air Quality Impacts on Water Quality
Reservoir Characteristics:Reservoir Characteristics:
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Sweetwater Reservoir ca. 1953Sweetwater Reservoir ca. 1953
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Sweetwater Reservoir ca. 1964Sweetwater Reservoir ca. 1964
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Sweetwater Reservoir ca. 1999Sweetwater Reservoir ca. 1999
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SR-125Elevated Tollway (~30m)
Upwind of Reservoir (within ~100m)
Major NAFTA Route to and from Mexico
http://www.dot.ca.gov/dist11/facts/125south.pdf
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Program TimelineProgram Timeline
1998 1998 -- Start of ProgramStart of ProgramHigh intensity sampling (every 2 months)High intensity sampling (every 2 months)
1999 1999 -- Sediment coring of Sweetwater ReservoirSediment coring of Sweetwater ReservoirLow intensity sampling begins (every 3 months)Low intensity sampling begins (every 3 months)
2003 2003 -- Construction on SRConstruction on SR--125 began125 beganAdded sampling for TMs in whole waterAdded sampling for TMs in whole water
2004 2004 -- Added sampling Added sampling PAHs in whole waterPAHs in whole waterTMs in airTMs in air
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2005 2005 -- Continue sampling during SRContinue sampling during SR--125 125 constructionconstruction
2006 + 2006 + Sample for 2 to 3 years during full operation of SRSample for 2 to 3 years during full operation of SR--125125
Program TimelineProgram Timeline
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Study DesignStudy DesignWaterWater
AirAir
Bed SedimentsBed Sediments
Water Quality Monitoring of Sweetwater Water Quality Monitoring of Sweetwater and Loveland Reservoirsand Loveland Reservoirs
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Reservoir Depth Profiles of:Reservoir Depth Profiles of:TemperatureTemperature
pHpH
Dissolved OxygenDissolved Oxygen
Specific ConductanceSpecific Conductance
ThermoclineThermoclinemidmid--EpilimnionEpilimnion
midmid--HypolimnionHypolimnion
Water Quality Monitoring of Sweetwater Water Quality Monitoring of Sweetwater and Loveland Reservoirsand Loveland Reservoirs
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USGS National Water Quality USGS National Water Quality Assessment (NAWQA) ProgramAssessment (NAWQA) Program
Water Sampling MethodsWater Sampling MethodsPoint SamplingPoint Sampling
Water Analytical MethodsWater Analytical MethodsWater Water -- All SitesAll Sites
VOCsVOCsTrace MetalsTrace Metals
Water Water -- Select SitesSelect SitesPAHsPAHsWaste water compoundsWaste water compoundsPharmaceuticalsPharmaceuticalsPesticides and transformation productsPesticides and transformation products
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Air Monitoring at Sweetwater ReservoirAir Monitoring at Sweetwater Reservoir
Meteorological MeasurementsMeteorological MeasurementsAir Temperature (2 & 10 m)Air Temperature (2 & 10 m)
Relative Humidity (2 & 10 m)Relative Humidity (2 & 10 m)
Wind Speed (10 m)Wind Speed (10 m)
Wind Direction (10 m)Wind Direction (10 m)
Solar Radiation (2 m)Solar Radiation (2 m)
Barometric PressureBarometric Pressure
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Air SamplingAir SamplingVOCs (gas phase)VOCs (gas phase)
24 h composite, every 1224 h composite, every 12thth dayday88 VOC compounds88 VOC compounds
Method developed in conjunction with CARBMethod developed in conjunction with CARBPankow, et al., 1998, Analytical Chemistry, Pankow, et al., 1998, Analytical Chemistry, v. 70, no. 24, p. 5213v. 70, no. 24, p. 5213--52215221
Air Monitoring at Sweetwater ReservoirAir Monitoring at Sweetwater Reservoir
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Air Sampling Air Sampling -- 24 h composite, every 1224 h composite, every 12thth daydayPAHs (gas & particle phases)PAHs (gas & particle phases)
Custom Methods at NWQLCustom Methods at NWQL32 PAHs and related isomers32 PAHs and related isomers
Trace Metals (particle phase)Trace Metals (particle phase)32 TMs32 TMs
Air Monitoring at Sweetwater ReservoirAir Monitoring at Sweetwater Reservoir
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Bed SedimentsBed SedimentsCores and SurficialCores and Surficial
32 PAH and related isomers32 PAH and related isomersTotal PCBsTotal PCBs14 OC pesticides14 OC pesticidesMajor and Trace MetalsMajor and Trace Metals
Water Quality Monitoring of Sweetwater Water Quality Monitoring of Sweetwater and Loveland Reservoirsand Loveland Reservoirs
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000
- 004
cm
008
- 012
cm
016
- 020
cm
024
- 028
cm
032
- 036
cm
040
- 044
cm
048
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cm
056
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cm
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- 068
cm
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cm
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cm
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- 092
cm
096
- 100
cm
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cm
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cm
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cm
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cm
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- 140
cm
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cm
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- 156
cm
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cm
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- 172
cm
176
- 180
cm
Core Segment Depth (cm)
0
5
10
15
20
25
30
35
0
0.1
0.2
0.3
0.4
0.5
0.6
Ces
ium
- 13
7 (p
Ci/g
)
Total-DDT
Cs-137
Sweetwater Reservoir Sediment CoreTotal - DDT
~1970
~1964
1998
~1952
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E
19301940195019601970198019902000
Estimated Date of Sediment Deposition
0
100
200
300
400
500
600
700
800
900R-square = 0.661
Y = 9.15X -1.76e+4
PAH Concentration in Sweetwater Reservoir Sediment Core
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E
19301940195019601970198019902000
Estimated Date of Sediment Deposition
0
50
100
150
200
R-square = 0.481 Y =1.13X - 2.14e+3
Total Combustion PAH Concentration in Sweetwater Reservoir Sediment Core
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PAH Compounds in WaterPAH Compounds in Water
Phenol % Mean (µg/L)
Max (µg/L)
Median (µg/L)
LLR (3) 33.3% 1.6 1.6 1.6Finished (5) 0.0% 0.0 0.0 0.0Imported (3) 66.7% 0.4 0.4 0.4LFB (5) 80.0% 0.6 1.5 0.3SWR01 (5) 80.0% 0.3 0.7 0.3SWR03 (5) 40.0% 0.5 0.6 0.5
Benzyl nBenzyl n--butyl phthalatebutyl phthalateBis(2Bis(2--ethylhexyl) phthalateethylhexyl) phthalateDiDi--nn--butyl phthalatebutyl phthalate
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PAHs in AirPAHs in Air
CompoundParticle Phase (ng/m³)
Gas Phase (ng/m³)
Acenaphthylene 0.003 0.23Acenaphthene 0.139 0.73Anthracene 0.008 0.117Chrysene 0.068 0.091Fluoranthene 0.057 1.03Phenanthrene 0.047 5.75Pyrene 0.060 0.70Benz (a) anthracene 0.044 0.029Benzo (a) pyrene 0.054 0.008Benzo (e) pyrene 0.096 0.014
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LLR Trichloromethane 2.5Bromodichloromethane 0.0Dibromochloromethane 0.0Tribromomethane 0.0Chloromethane 0.0Tetrachloromethane 0.0Methyl tert-butyl ether 57.5Acetone 2.5Carbon disulfide 12.5Toluene 47.5Dichloromethane 0.0Benzene 17.5Chloroethane 0.01,1,1-Trichloroethane 0.0Chlorobenzene 0.0Styrene 0.0
Finished Imported100 100100 92.9100 42.996.2 0.084.6 0.080.8 0.069.2 78.665.4 0.034.6 7.134.6 28.630.8 0.019.2 0.015.4 0.011.5 28.67.7 0.07.7 0.0
LFB11.10.00.00.03.70.0
59.30.0
59.348.13.77.40.00.00.0
51.9
SWR0110094.784.242.12.60.057.95.318.450.05.315.80.00.00.05.3
SWR03 SWR06100 96.088.2 92.076.5 52.08.8 4.02.9 0.00.0 0.050.0 60.02.9 8.014.7 24.038.2 52.05.9 0.08.8 20.00.0 0.00.0 0.00.0 0.02.9 4.0
VOC Compounds in WaterVOC Compounds in Water
Percent DetectionsPercent Detections
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VOC Compounds in WaterVOC Compounds in WaterFinished Water Finished Water
(µg/L)(µg/L)SW01SW01(µg/L)(µg/L)
% max mean % max meanTrichloromethane (26/38) 44.8 100 1.34 0.360Bromodichloromethane (26/36) 94.7 2.07 0.424Dibromochloromethane (26/32) 84.2 2.10 0.406Tribromomethane (25/16) 42.1 0.47 0.131Chloromethane (22/1) 2.60 0.10 0.100Tetrachloromethane (21/0) 0.00 0.00 0.000Methyl tert-butyl ether (18/22) 57.9 0.30 0.155Acetone (17/2) 5.30 2.00 2.000Carbon disulfide (9/7) 18.4 0.26 0.063Toluene (9/19) 50.0 0.08 0.030Dichloromethane (8/2) 5.30 0.10 0.100Benzene (5/6) 15.8 0.01 0.010Chloroethane (4/0) 0.00 0.00 0.0001,1,1-Trichloroethane (3/0)
10010010096.284.680.869.265.434.634.630.819.215.411.5
66.661.111.50.400.200.8013.00.150.030.300.020.100.03
14.1824.6524.105.15
0.1860.0650.3067.18
0.0490.0180.1380.0140.1000.023 0.00 0.00 0.000
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Oct-01
Nov-01
Dec-01
Jan-02
Feb-02
Apr-02
Jun-02
Aug-02Sep
-02Nov-0
2Feb
-03Mar-
03May
-03Ju
n-03Aug-03Sep
-03Nov-0
3Dec
-03Ja
n-04Mar-
04May
-04Ju
n-04
0.0
1.0
2.0
3.0
4.0
5.0
Air
Con
cent
ratio
n (p
pbv)
MTBE
Toluene
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Oct-01
Nov-01
Dec-01
Jan-02
Feb-02
Apr-02
Jun-02
Aug-02Sep
-02Nov-0
2Feb
-03Mar-
03May
-03Ju
n-03Aug-03Sep
-03Nov-0
3Dec
-03Ja
n-04Mar-
04May
-04Ju
n-04
0.0
1.0
2.0
3.0
4.0
5.0A
ir C
once
ntra
tion
(ppb
v)MTBE
Benzene
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Water Quality Monitoring of Sweetwater Water Quality Monitoring of Sweetwater and Loveland Reservoirsand Loveland Reservoirs
SummarySummaryMonitoring of Sweetwater and Loveland Res.Monitoring of Sweetwater and Loveland Res.
Detecting wide variety of organic and inorganic Detecting wide variety of organic and inorganic chemicals in the source and finished waterschemicals in the source and finished waters
Water treatment removes contaminants to various Water treatment removes contaminants to various degrees and adds others (THMs)degrees and adds others (THMs)
Concentrations of most compounds are very lowConcentrations of most compounds are very low
Imported water contains additional chemicals not Imported water contains additional chemicals not detected Sweetwater Reservoir detected Sweetwater Reservoir
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Water Quality Monitoring of Sweetwater Water Quality Monitoring of Sweetwater and Loveland Reservoirsand Loveland Reservoirs
SummarySummaryMany of the same chemicals found in the water Many of the same chemicals found in the water are also found in the airare also found in the air
Because of the climate, the atmosphere may be a Because of the climate, the atmosphere may be a possible source in water for some compounds possible source in water for some compounds
Distinguish Local from Regional Ambient LevelsDistinguish Local from Regional Ambient LevelsSRSR--125 Construction is ongoing125 Construction is ongoing
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Recommended FollowRecommended Follow--up Actionsup Actions
Gaps in Regulatory StructureGaps in Regulatory StructurePrimary focus of the Safe Drinking Water Act source Primary focus of the Safe Drinking Water Act source
protection is on pathogens (protection is on pathogens (cryptosporidium & giardiacryptosporidium & giardia))SDWA does address other contaminants, but post SDWA does address other contaminants, but post
treatmenttreatment
A general lack of information and research on other A general lack of information and research on other risks to WQ such as the impact of air quality of water risks to WQ such as the impact of air quality of water quality, i.e., risks from airborne vehicle emissionsquality, i.e., risks from airborne vehicle emissions
Informed decisions and sensible regulations can Informed decisions and sensible regulations can only be made based on quality research resultsonly be made based on quality research results
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Recommended FollowRecommended Follow--up Actionsup Actions
PartnershipsPartnershipsHow does one answer the question: “Will the How does one answer the question: “Will the
emissions from a proposed or existing roadway emissions from a proposed or existing roadway alignment near a drinking water source have any alignment near a drinking water source have any impact on that source?” impact on that source?”
State and local regulatory and supply agencies and State and local regulatory and supply agencies and reliable, unbiased research reliable, unbiased research organizationsorganizations
Open mindedness is needed to address the concerns Open mindedness is needed to address the concerns of local water supply agenciesof local water supply agencies
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Recommended FollowRecommended Follow--up Actionsup Actions
Research NeedsResearch NeedsLongLong--term, effective research focused on term, effective research focused on
identifying all risks to source waters in a variety of identifying all risks to source waters in a variety of environmental settings environmental settings
An integrated approach incorporating causes, An integrated approach incorporating causes, effects, and solutionseffects, and solutions
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