SPRAY	Site where water has been sprayed on the surface of the land for purposes of irrigation
SBSOIL	Subsoil - a drain title system or other points just below the surface of the land
HRZTL	Horizontal well
TUNNEL	Tunnel - an underground corridor
GALERY	Gallery - an artificial, underground structure implanted to collect groundwater
PRECIP	Wet atmospheric deposition (precipitation) due to the condensation of water vapor.  Include mist, rain, sleet, snow, and hail
NRSHRE	Near shore -less than 3 kilometers (approximately 1.9 miles) from a major shore
OFSHRE	Off shore -from 3 to 8 kilometers (approximately 1.9 to 5 miles) from a major shore
OPENLK	Open water - greater than 8 kilometers (approximately 5 miles) from a major shore
RUNOFF	Stormwater runoff
STMSWR	Stormwater sewer
SANSWR	Sanitary sewer
CMBSWR	Combined "STMSWR" and "SANSWR"
SUPPLY	Water supply storage or treatment facility
NET	Fixed site network station
MONITR	Source monitoring site, which monitors a known problem or to detect a specific problem
HAZARD	Site of hazardous or toxic wastes or substances
BACK	Monitoring for background (baseline) water quality.  Opposite of "DOWN"
DOWN	Down (i.e., within a potentially polluted area) from a facility which has a potential to pollute.  See also "DOWNGR" and "UPGR"
MET	Site where sampling is performed to describe scientific phenomena related to meteorological conditions, such as temperature, solar radiation, winds, and the quantity and quality of atmospheric deposition
LNDRTR	Land treatment area
UPGR	Upgradient of a well or spring.  Only valid for use with "WELL" or "SPRING" (groundwater sites)
DOWNGR	Downgradient of a well or spring.  Only valid for use with "WELL" or "SPRING" (groundwater sites)
RCRA	RCRA monitoring site
CERCLA	CERCLA ("Superfund") monitoring site
BASSAY	Bioassay site
IMPDMT	Impoundment.  Includes waste pits, treatment lagoons and settling and evaporation ponds
LNDFL	Landfill
INJECT	Site where liquid waste has been injected underground as a means of disposal
NONPNT	Nonpoint source pollution.  Includes eutrophication, acidification, thermal change, organic nutrients, sedimentation, and hydromodificaion
DEVLMT	Development site.  Includes construction
MINE	Mine or site of mining activities.  Includes reclaimed land areas and coal mining
DISTR	Water supply distribution system
BIO	Biological monitoring site (for BIOS Field Survey System)
FISH	Plant or animal matter sampling site
TISSUE	Sludge or sediment sampling site
SOLIDS	Sludge or sediment sampling site
SLUDGE	Sludge spreading site
POLLUT	Site of pollution incident
RANNEY	Ranney collector (usually associated with level 1 code "WELL")
ONLOT	On-lot septic system
ECOREG	Reference station where sampling is performed to characterize water quality at nonimpacted or least impacted sites in an ecoregion
PLAYA	Shallow, small, ephemeral to permanent closed basin lake typically found in the high plains and deserts
FLOOD	Water impacted by major flooding condition
EMBAY	Land confined and physically protected marine waters with restricted openings to open coastal waters
OPNSCT	Open maring waters bounded by 600 foot depth contour and shoreline
ANPOOL	Anhialine pool, underground pools with subsurface connections to watertable and ocean
SHRLN	Shoreline, samples collected at the edge of a waterbody
VOLUN	Station contains data collected as part of volunteer monitoring efforts
HOURLY	Station contains data collected hourly
BEACH	Station located at the interface of the water and the beach
BRIDGE	Station located on a bridge
PIER	Station located on a pier
