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Under the Pollution Prevention Act of 1990 (PPA), TRI collects information to track industry progress in reducing waste generation and moving towards safer waste management alternatives. Measures that facilities have taken to prevent pollution and reduce the amount of toxic chemicals entering the environment are shown in the table below. Although factors other than these reported practices contribute to year-to-year changes in releases, results are sorted by largest reduction in order to facilitate identification of pollution prevention successes. View the to learn about this report's features.


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List of Facilities in TRI submitting Pollution Prevention Information for Selected Criteria:

Year-to-Year Comparison:

FACILITY NAME ADDRESS CHEMICAL INDUSTRY YEAR PRIOR YEAR RELEASE * CURRENT YEAR RELEASE * PERCENT CHANGE POLLUTION PREVENTION INFORMATION (ACTIVITY CODES/TEXT)
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2005 85.00 46.00 -45.88% W13: Improved maintenance scheduling, recordkeeping, or procedures
W52: Modified equipment, layout, or piping

Discontinued use of one 10,000 gallon storage tank and two 500 gallon day tanks in 2005. Planning to remove these tanks and associated piping for 2006.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2008 39.00 35.00 -10.26% W13: Improved maintenance scheduling, recordkeeping, or procedures
W52: Modified equipment, layout, or piping

Updated SCADA system allowing continuous control and monitoring of the ozone system Installed and initiated the use of ozone residual analyzers downstream from quenching feedpoint to more effectively monitor proper ozone quenching.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2011 35.00 32.00 -8.57% W39: Other spill or leak prevention

Continued annual PM''s to test ozone generator efficiency, feed pipe leak checks and ozone gas detector analyzer annual calibrations.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2010 38.00 35.00 -7.89% W52: Modified equipment, layout, or piping
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2006 31.00 29.00 -6.45% W13: Improved maintenance scheduling, recordkeeping, or procedures
W52: Modified equipment, layout, or piping

Improved SOP for reducing ozone carryover Upgrade captor ozone quenching system: bulk storage, feed pumps and flow meters
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2006 46.00 46.00 0% Removed 10,000 gallon storage tank and 500 gallon day tanks and associated piping during 2006.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2011 46.00 46.00 0% Continued scheduled preventative maintenance on ammonia tanks and PRVs.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2008 46.00 46.00 0% W13: Improved maintenance scheduling, recordkeeping, or procedures

ANNUAL SERVICE CONTRACT FOR ON-LINE AMMONIA RESIDUAL ANALYZER TO VERIFY INSTRUMENT PERFORMANCE AND OPTIMIZE AMMONIA FEED. PERFORMED ANNUAL MAINTENANCE ON TANKS AND AMMONIATORS For 2008, working with current ammonia vendor to perform annual safety audits of ammonia tanks and appurtenances.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2012 46.00 46.00 0% Annual inspections peformed on the system by staff and the supplier. Stormwater sewer covers utilzied during deliveries/unloading.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2007 46.00 46.00 0% W13: Improved maintenance scheduling, recordkeeping, or procedures

Annual service contract for on-Line ammonia residual analyzer to verify instrument performance and optimize ammonia feed. Performed annual maintenance on tanks and ammoniators
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2010 46.00 46.00 0% W52: Modified equipment, layout, or piping

For 2010: replaced pressure reducing valves and two ammonia immersion heaters. added labeling to the ammonia feed lines and repainted ammonia feed lines.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2009 46.00 46.00 0% W52: Modified equipment, layout, or piping

2009: Replaced excess flow valves on ammonia storage tanks. Installed unions on feed piping to allow replacement of pressure regulating valves. Planning to replace ammonia immersion heaters and pressure regulating valves in 2010.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2012 32.00 32.00 0% W39: Other spill or leak prevention

Performed ozone leak audits on the ozone gas piping.Perform annual inspections and calibrations of ozone gas monitoring equipment.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2004 8.00 8.00 0% W36: Implemented inspection or monitoring program of potential spill or leak sources
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Chlorine 221310: Water Supply and Irrigation Systems 2004 0 0 0% W36: Implemented inspection or monitoring program of potential spill or leak sources
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2009 35.00 38.00 8.57% W52: Modified equipment, layout, or piping
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2007 29.00 39.00 34.48% W13: Improved maintenance scheduling, recordkeeping, or procedures
W52: Modified equipment, layout, or piping

Added flow meters from captor pumps (Ozone quenching) to scada system purchased ozone residual analyzers to install farther downstream from quenching feed point to more effectively monitor proper ozone quenching.
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ozone 221310: Water Supply and Irrigation Systems 2005 8.00 31.00 287.5% W36: Implemented inspection or monitoring program of potential spill or leak sources

Ozone quenching system being upgraded in 2006: feed pumps, flow monitors and increased storage of calcium thiosulfate (captor)
LINNWOOD PURIFICATION PLANT (MILWAUKEE WATER WORKS)
 3000 N LINCOLN MEMORIAL DR
MILWAUKEE,
WI 53211		 Ammonia 221310: Water Supply and Irrigation Systems 2004 0 85.00 ∞ W13: Improved maintenance scheduling, recordkeeping, or procedures
W19: Other changes in operating practices
W52: Modified equipment, layout, or piping


* - Dioxin releases are in grams; all others in pounds