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Groundwater
Current issuesCurrent issues
G GGroundwater Treatment Goals
StabilizeLimit or eliminate FeColLimit or eliminate FeColTreat to drinking water standards
itmonitor
SDrinking Water Standards
SaltsMetalsMetalsVOC’s and Toxic
t i tnutrients
Facilities
CollectionTreatmentTreatmentDisposal
it imonitoring
A second view of the facility and prison.
Discharge area is on a slope that is g pterraced.
“Emerging “Hot” Topics
Wetland systemsIrrigation of food processing wasteIrrigation of food processing waste
Wetland treatment systems
<20,000 gpdSeptic tanks in series filterSeptic tanks in series, filterNitrificationOil dOil and greaseWetland cells (lined)Tile field
Average influent ammonia concentration =Average influent ammonia concentration = 143 mg/L (2005)
Forest Hills Effluent Ammonia
80
100
120
Max
40
60
80
mg/
L MaxAvgLimit
0
20
Nov-04 Feb-05 May-05 Sep-05 Dec-05 Mar-06 Jul-06
Rule 2204
Discharge shall not be injuriousShall not cause runoff pondingShall not cause runoff, ponding, erosion, nuisance
Food processing waste
Low nutrientMay have saltsMay have saltsHigh sugar
The spray turned on while I was there. It does not cover whole field.
chemistry
Bugs eat sugarOxygen is depletedOxygen is depletedOxygen from soil metals is used for respirationrespirationMetals become mobilized