Fresh water density \rho_W = 997 kg/m3 at STP.
Table 1 shows the corrections to the fresh water density depending on ambient temperature and the concentration of Sodium Chloride (NaCl).
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Fluid (PVT) Analysis / Fluid (PVT) modelling
[ Water density correlations (ρw) ]