The Treasury General Account is the U.S. Treasury's checking account at the Fed, updated daily. Because it sits on the Fed's liability side, every dollar flowing into the TGA (taxes, debt issuance) drains bank reserves one-for-one, and every dollar out (spending, redemptions) adds them back — making it, alongside the Fed's portfolio and the ON RRP, one of the three moving parts that determine short-run liquidity.
This graph shows the Treasury General Account (TGA) balance — the U.S. Treasury's checking account at the Federal Reserve — from the Daily Treasury Statement.
Why it matters: A useful approximation: ΔReserves ≈ ΔFed assets − ΔTGA − ΔON RRP. With the Fed's portfolio shrinking on a preset QT schedule and the RRP acting as the buffer, the TGA is the most violently swinging term in that identity: balances jump around the April tax date (a sharp one-off reserve drain) and bleed back out through spending. The debt-limit episodes are the pattern to watch — while the ceiling binds, net issuance stalls and the Treasury lives off the TGA, so spending steadily pushes reserves back into the banking system; once the standoff resolves, the account is rebuilt fast with a burst of bill issuance, an equally abrupt drain in the opposite direction, of which mid-2023 was the textbook case. The Treasury publishes a target balance in each Quarterly Refunding Announcement; tracking the actual path against that target is a standard way to anticipate reserve pressure.